201807940

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{9787}}^1$

素因数の和:10827

約数の個数: 24

約数和(自身を含む): 424251072

約数和(自身を除く): 222443132

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 9787, 10310, 19574, 20620, 39148, 48935, 97870, 195740, 10090397, 20180794, 40361588, 50451985, 100903970, 201807940]

約数ペア:

[(1, 201807940), (2, 100903970), (4, 50451985), (5, 40361588), (10, 20180794), (20, 10090397), (1031, 195740), (2062, 97870), (4124, 48935), (5155, 39148), (9787, 20620), (10310, 19574)]