20300620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2411}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 42750288

約数和(自身を除く): 22449668

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2411, 4210, 4822, 8420, 9644, 12055, 24110, 48220, 1015031, 2030062, 4060124, 5075155, 10150310, 20300620]

約数ペア:

[(1, 20300620), (2, 10150310), (4, 5075155), (5, 4060124), (10, 2030062), (20, 1015031), (421, 48220), (842, 24110), (1684, 12055), (2105, 9644), (2411, 8420), (4210, 4822)]