20176045820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1\times {\mathrm{2459}}^1$

素因数の和:3147

約数の個数: 96

約数和(自身を含む): 48998476800

約数和(自身を除く): 28822430980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 569, 721, 1030, 1138, 1442, 2060, 2276, 2459, 2845, 2884, 3605, 3983, 4918, 5690, 7210, 7966, 9836, 11380, 12295, 14420, 15932, 17213, 19915, 24590, 34426, 39830, 49180, 58607, 68852, 79660, 86065, 117214, 172130, 234428, 253277, 293035, 344260, 410249, 506554, 586070, 820498, 1013108, 1172140, 1266385, 1399171, 1640996, 1772939, 2051245, 2532770, 2798342, 3545878, 4102490, 5065540, 5596684, 6995855, 7091756, 8204980, 8864695, 9794197, 13991710, 17729390, 19588394, 27983420, 35458780, 39176788, 48970985, 97941970, 144114613, 195883940, 288229226, 576458452, 720573065, 1008802291, 1441146130, 2017604582, 2882292260, 4035209164, 5044011455, 10088022910, 20176045820]

約数ペア:

[(1, 20176045820), (2, 10088022910), (4, 5044011455), (5, 4035209164), (7, 2882292260), (10, 2017604582), (14, 1441146130), (20, 1008802291), (28, 720573065), (35, 576458452), (70, 288229226), (103, 195883940), (140, 144114613), (206, 97941970), (412, 48970985), (515, 39176788), (569, 35458780), (721, 27983420), (1030, 19588394), (1138, 17729390), (1442, 13991710), (2060, 9794197), (2276, 8864695), (2459, 8204980), (2845, 7091756), (2884, 6995855), (3605, 5596684), (3983, 5065540), (4918, 4102490), (5690, 3545878), (7210, 2798342), (7966, 2532770), (9836, 2051245), (11380, 1772939), (12295, 1640996), (14420, 1399171), (15932, 1266385), (17213, 1172140), (19915, 1013108), (24590, 820498), (34426, 586070), (39830, 506554), (49180, 410249), (58607, 344260), (68852, 293035), (79660, 253277), (86065, 234428), (117214, 172130)]