20134874920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3088171}}^1$

素因数の和:3088345

約数の個数: 32

約数和(自身を含む): 45581418720

約数和(自身を除く): 25446543800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 3088171, 6176342, 12352684, 15440855, 24705368, 30881710, 61763420, 123526840, 503371873, 1006743746, 2013487492, 2516859365, 4026974984, 5033718730, 10067437460, 20134874920]

約数ペア:

[(1, 20134874920), (2, 10067437460), (4, 5033718730), (5, 4026974984), (8, 2516859365), (10, 2013487492), (20, 1006743746), (40, 503371873), (163, 123526840), (326, 61763420), (652, 30881710), (815, 24705368), (1304, 15440855), (1630, 12352684), (3260, 6176342), (6520, 3088171)]