520017020

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{28541}}^1$

素因数の和:29461

約数の個数: 24

約数和(自身を含む): 1093272768

約数和(自身を除く): 573255748

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 18220, 28541, 57082, 114164, 142705, 285410, 570820, 26000851, 52001702, 104003404, 130004255, 260008510, 520017020]

約数ペア:

[(1, 520017020), (2, 260008510), (4, 130004255), (5, 104003404), (10, 52001702), (20, 26000851), (911, 570820), (1822, 285410), (3644, 142705), (4555, 114164), (9110, 57082), (18220, 28541)]