20853756430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1\times {\mathrm{2999}}^1$

素因数の和:3709

約数の個数: 64

約数和(自身を含む): 40960080000

約数和(自身を除く): 20106323570

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 601, 890, 1157, 1202, 2314, 2999, 3005, 5785, 5998, 6010, 7813, 11570, 14995, 15626, 29990, 38987, 39065, 53489, 77974, 78130, 106978, 194935, 266911, 267445, 389870, 533822, 534890, 695357, 1334555, 1390714, 1802399, 2669110, 3469843, 3476785, 3604798, 6939686, 6953570, 9011995, 17349215, 18023990, 23431187, 34698430, 46862374, 117155935, 160413511, 234311870, 320827022, 802067555, 1604135110, 2085375643, 4170751286, 10426878215, 20853756430]

約数ペア:

[(1, 20853756430), (2, 10426878215), (5, 4170751286), (10, 2085375643), (13, 1604135110), (26, 802067555), (65, 320827022), (89, 234311870), (130, 160413511), (178, 117155935), (445, 46862374), (601, 34698430), (890, 23431187), (1157, 18023990), (1202, 17349215), (2314, 9011995), (2999, 6953570), (3005, 6939686), (5785, 3604798), (5998, 3476785), (6010, 3469843), (7813, 2669110), (11570, 1802399), (14995, 1390714), (15626, 1334555), (29990, 695357), (38987, 534890), (39065, 533822), (53489, 389870), (77974, 267445), (78130, 266911), (106978, 194935)]