20943100

素因数分解:

$2^2\times 5^2\times {\mathrm{209431}}^1$

素因数の和:209445

約数の個数: 18

約数和(自身を含む): 45446744

約数和(自身を除く): 24503644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 209431, 418862, 837724, 1047155, 2094310, 4188620, 5235775, 10471550, 20943100]

約数ペア:

[(1, 20943100), (2, 10471550), (4, 5235775), (5, 4188620), (10, 2094310), (20, 1047155), (25, 837724), (50, 418862), (100, 209431)]