20153720912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2253323}}^1$

素因数の和:2253387

約数の個数: 40

約数和(自身を含む): 43029475104

約数和(自身を除く): 22875754192

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 2253323, 4506646, 9013292, 18026584, 29293199, 36053168, 58586398, 96892889, 117172796, 193785778, 234345592, 387571556, 468691184, 775143112, 1259607557, 1550286224, 2519215114, 5038430228, 10076860456, 20153720912]

約数ペア:

[(1, 20153720912), (2, 10076860456), (4, 5038430228), (8, 2519215114), (13, 1550286224), (16, 1259607557), (26, 775143112), (43, 468691184), (52, 387571556), (86, 234345592), (104, 193785778), (172, 117172796), (208, 96892889), (344, 58586398), (559, 36053168), (688, 29293199), (1118, 18026584), (2236, 9013292), (4472, 4506646), (8944, 2253323)]