20218572878

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1\times {\mathrm{7577}}^1$

素因数の和:15896

約数の個数: 32

約数和(自身を含む): 36176523264

約数和(自身を除く): 15957950386

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 7577, 8287, 15154, 16574, 53039, 58009, 106078, 116018, 174271, 190601, 348542, 381202, 1219897, 1334207, 2439794, 2668414, 62790599, 125581198, 439534193, 879068386, 1444183777, 2888367554, 10109286439, 20218572878]

約数ペア:

[(1, 20218572878), (2, 10109286439), (7, 2888367554), (14, 1444183777), (23, 879068386), (46, 439534193), (161, 125581198), (322, 62790599), (7577, 2668414), (8287, 2439794), (15154, 1334207), (16574, 1219897), (53039, 381202), (58009, 348542), (106078, 190601), (116018, 174271)]