20406110

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 38211264

約数和(自身を除く): 17805154

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 701, 710, 1402, 2911, 3505, 5822, 7010, 14555, 28741, 29110, 49771, 57482, 99542, 143705, 248855, 287410, 497710, 2040611, 4081222, 10203055, 20406110]

約数ペア:

[(1, 20406110), (2, 10203055), (5, 4081222), (10, 2040611), (41, 497710), (71, 287410), (82, 248855), (142, 143705), (205, 99542), (355, 57482), (410, 49771), (701, 29110), (710, 28741), (1402, 14555), (2911, 7010), (3505, 5822)]