20804916873

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{376471}}^1$

素因数の和:376609

約数の個数: 24

約数和(自身を含む): 30313525440

約数和(自身を除く): 9508608567

約数列:

[1, 3, 13, 39, 109, 169, 327, 507, 1417, 4251, 18421, 55263, 376471, 1129413, 4894123, 14682369, 41035339, 63623599, 123106017, 190870797, 533459407, 1600378221, 6934972291, 20804916873]

約数ペア:

[(1, 20804916873), (3, 6934972291), (13, 1600378221), (39, 533459407), (109, 190870797), (169, 123106017), (327, 63623599), (507, 41035339), (1417, 14682369), (4251, 4894123), (18421, 1129413), (55263, 376471)]