Numbers whose sum of unitary divisors (A034448) is equal to the sum of exponential divisors (A051377).
A236474
Numbers whose sum of unitary divisors (A034448) is equal to the sum of exponential divisors (A051377).
Terms
- a(0) =1a(1) =20a(2) =45a(3) =320a(4) =6615a(5) =382200a(6) =680890228200
External references
- oeis: A236474