20655100

素因数分解:

$2^2\times 5^2\times {\mathrm{206551}}^1$

素因数の和:206565

約数の個数: 18

約数和(自身を含む): 44821784

約数和(自身を除く): 24166684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 206551, 413102, 826204, 1032755, 2065510, 4131020, 5163775, 10327550, 20655100]

約数ペア:

[(1, 20655100), (2, 10327550), (4, 5163775), (5, 4131020), (10, 2065510), (20, 1032755), (25, 826204), (50, 413102), (100, 206551)]