20204510

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4049}}^1$

素因数の和:4555

約数の個数: 16

約数和(自身を含む): 36450000

約数和(自身を除く): 16245490

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4049, 4990, 8098, 20245, 40490, 2020451, 4040902, 10102255, 20204510]

約数ペア:

[(1, 20204510), (2, 10102255), (5, 4040902), (10, 2020451), (499, 40490), (998, 20245), (2495, 8098), (4049, 4990)]