20041510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 18112730

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1103, 1817, 2206, 3634, 5515, 9085, 11030, 18170, 25369, 50738, 87137, 126845, 174274, 253690, 435685, 871370, 2004151, 4008302, 10020755, 20041510]

約数ペア:

[(1, 20041510), (2, 10020755), (5, 4008302), (10, 2004151), (23, 871370), (46, 435685), (79, 253690), (115, 174274), (158, 126845), (230, 87137), (395, 50738), (790, 25369), (1103, 18170), (1817, 11030), (2206, 9085), (3634, 5515)]