Numbers m having the same sum of divisors as m+20 has.

Terms

a(0) =42a(1) =51a(2) =123a(3) =141a(4) =204a(5) =371a(6) =497a(7) =708a(8) =923a(9) =992a(10) =1034a(11) =1343a(12) =1391a(13) =1484a(14) =1595a(15) =1691a(16) =1826a(17) =3266a(18) =3317a(19) =5015a(20) =5152a(21) =7367a(22) =8003a(23) =9132a(24) =9287a(25) =9494a(26) =11078a(27) =13223a(28) =15458a(29) =15833