201330620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{23911}}^1$

素因数の和:24341

約数の個数: 24

約数和(自身を含む): 423816288

約数和(自身を除く): 222485668

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 23911, 47822, 95644, 119555, 239110, 478220, 10066531, 20133062, 40266124, 50332655, 100665310, 201330620]

約数ペア:

[(1, 201330620), (2, 100665310), (4, 50332655), (5, 40266124), (10, 20133062), (20, 10066531), (421, 478220), (842, 239110), (1684, 119555), (2105, 95644), (4210, 47822), (8420, 23911)]