20403164020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1\times {\mathrm{12577}}^1$

素因数の和:15412

約数の個数: 48

約数和(自身を含む): 44343487440

約数和(自身を除く): 23940323420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2797, 5594, 11188, 12577, 13985, 25154, 27970, 50308, 55940, 62885, 81113, 125770, 162226, 251540, 324452, 364733, 405565, 729466, 811130, 1458932, 1622260, 1823665, 3647330, 7294660, 35177869, 70355738, 140711476, 175889345, 351778690, 703557380, 1020158201, 2040316402, 4080632804, 5100791005, 10201582010, 20403164020]

約数ペア:

[(1, 20403164020), (2, 10201582010), (4, 5100791005), (5, 4080632804), (10, 2040316402), (20, 1020158201), (29, 703557380), (58, 351778690), (116, 175889345), (145, 140711476), (290, 70355738), (580, 35177869), (2797, 7294660), (5594, 3647330), (11188, 1823665), (12577, 1622260), (13985, 1458932), (25154, 811130), (27970, 729466), (50308, 405565), (55940, 364733), (62885, 324452), (81113, 251540), (125770, 162226)]