20515673878

素因数分解:

$2^1\times 7^2\times {\mathrm{4937}}^1\times {\mathrm{42403}}^1$

素因数の和:47356

約数の個数: 24

約数和(自身を含む): 35805852792

約数和(自身を除く): 15290178914

約数列:

[1, 2, 7, 14, 49, 98, 4937, 9874, 34559, 42403, 69118, 84806, 241913, 296821, 483826, 593642, 2077747, 4155494, 209343611, 418687222, 1465405277, 2930810554, 10257836939, 20515673878]

約数ペア:

[(1, 20515673878), (2, 10257836939), (7, 2930810554), (14, 1465405277), (49, 418687222), (98, 209343611), (4937, 4155494), (9874, 2077747), (34559, 593642), (42403, 483826), (69118, 296821), (84806, 241913)]