20069525

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 28849344

約数和(自身を除く): 8779819

約数列:

[1, 5, 7, 25, 35, 73, 175, 365, 511, 1571, 1825, 2555, 7855, 10997, 12775, 39275, 54985, 114683, 274925, 573415, 802781, 2867075, 4013905, 20069525]

約数ペア:

[(1, 20069525), (5, 4013905), (7, 2867075), (25, 802781), (35, 573415), (73, 274925), (175, 114683), (365, 54985), (511, 39275), (1571, 12775), (1825, 10997), (2555, 7855)]