20210141950

素因数分解:

$2^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{988271}}^1$

素因数の和:988692

約数の個数: 24

約数和(自身を含む): 37682811360

約数和(自身を除く): 17472669410

約数列:

[1, 2, 5, 10, 25, 50, 409, 818, 2045, 4090, 10225, 20450, 988271, 1976542, 4941355, 9882710, 24706775, 49413550, 404202839, 808405678, 2021014195, 4042028390, 10105070975, 20210141950]

約数ペア:

[(1, 20210141950), (2, 10105070975), (5, 4042028390), (10, 2021014195), (25, 808405678), (50, 404202839), (409, 49413550), (818, 24706775), (2045, 9882710), (4090, 4941355), (10225, 1976542), (20450, 988271)]