20179420974

素因数分解:

$2^1\times 3^4\times {\mathrm{521}}^1\times {\mathrm{239087}}^1$

素因数の和:239622

約数の個数: 40

約数和(自身を含む): 45303828768

約数和(自身を除く): 25124407794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 521, 1042, 1563, 3126, 4689, 9378, 14067, 28134, 42201, 84402, 239087, 478174, 717261, 1434522, 2151783, 4303566, 6455349, 12910698, 19366047, 38732094, 124564327, 249128654, 373692981, 747385962, 1121078943, 2242157886, 3363236829, 6726473658, 10089710487, 20179420974]

約数ペア:

[(1, 20179420974), (2, 10089710487), (3, 6726473658), (6, 3363236829), (9, 2242157886), (18, 1121078943), (27, 747385962), (54, 373692981), (81, 249128654), (162, 124564327), (521, 38732094), (1042, 19366047), (1563, 12910698), (3126, 6455349), (4689, 4303566), (9378, 2151783), (14067, 1434522), (28134, 717261), (42201, 478174), (84402, 239087)]