20180472020

素因数分解:

$2^2\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{410339}}^1$

素因数の和:412807

約数の個数: 24

約数和(自身を含む): 42396328800

約数和(自身を除く): 22215856780

約数列:

[1, 2, 4, 5, 10, 20, 2459, 4918, 9836, 12295, 24590, 49180, 410339, 820678, 1641356, 2051695, 4103390, 8206780, 1009023601, 2018047202, 4036094404, 5045118005, 10090236010, 20180472020]

約数ペア:

[(1, 20180472020), (2, 10090236010), (4, 5045118005), (5, 4036094404), (10, 2018047202), (20, 1009023601), (2459, 8206780), (4918, 4103390), (9836, 2051695), (12295, 1641356), (24590, 820678), (49180, 410339)]