Abundant numbers n for which the abundance d = sigma(n) - 2*n is a proper divisor, that is, 0 < d < n and d | n.
A181595
Abundant numbers n for which the abundance d = sigma(n) - 2*n is a proper divisor, that is, 0 < d < n and d | n.
Terms
- a(0) =12a(1) =18a(2) =20a(3) =24a(4) =40a(5) =56a(6) =88a(7) =104a(8) =196a(9) =224a(10) =234a(11) =368a(12) =464a(13) =650a(14) =992a(15) =1504a(16) =1888a(17) =1952a(18) =3724a(19) =5624a(20) =9112a(21) =11096a(22) =13736a(23) =15376a(24) =15872a(25) =16256a(26) =17816a(27) =24448a(28) =28544a(29) =30592
External references
- oeis: A181595