20085148510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{251473}}^1$

素因数の和:251657

約数の個数: 48

約数和(自身を含む): 42314021136

約数和(自身を除く): 22228872626

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 245, 326, 490, 815, 1141, 1630, 2282, 5705, 7987, 11410, 15974, 39935, 79870, 251473, 502946, 1257365, 1760311, 2514730, 3520622, 8801555, 12322177, 17603110, 24644354, 40990099, 61610885, 81980198, 123221770, 204950495, 286930693, 409900990, 573861386, 1434653465, 2008514851, 2869306930, 4017029702, 10042574255, 20085148510]

約数ペア:

[(1, 20085148510), (2, 10042574255), (5, 4017029702), (7, 2869306930), (10, 2008514851), (14, 1434653465), (35, 573861386), (49, 409900990), (70, 286930693), (98, 204950495), (163, 123221770), (245, 81980198), (326, 61610885), (490, 40990099), (815, 24644354), (1141, 17603110), (1630, 12322177), (2282, 8801555), (5705, 3520622), (7987, 2514730), (11410, 1760311), (15974, 1257365), (39935, 502946), (79870, 251473)]