20215101980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1\times {\mathrm{26513}}^1$

素因数の和:27158

約数の個数: 48

約数和(自身を含む): 43162670880

約数和(自身を除く): 22947568900

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 569, 670, 1138, 1340, 2276, 2845, 5690, 11380, 26513, 38123, 53026, 76246, 106052, 132565, 152492, 190615, 265130, 381230, 530260, 762460, 1776371, 3552742, 7105484, 8881855, 15085897, 17763710, 30171794, 35527420, 60343588, 75429485, 150858970, 301717940, 1010755099, 2021510198, 4043020396, 5053775495, 10107550990, 20215101980]

約数ペア:

[(1, 20215101980), (2, 10107550990), (4, 5053775495), (5, 4043020396), (10, 2021510198), (20, 1010755099), (67, 301717940), (134, 150858970), (268, 75429485), (335, 60343588), (569, 35527420), (670, 30171794), (1138, 17763710), (1340, 15085897), (2276, 8881855), (2845, 7105484), (5690, 3552742), (11380, 1776371), (26513, 762460), (38123, 530260), (53026, 381230), (76246, 265130), (106052, 190615), (132565, 152492)]