20627650

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2706

約数の個数: 24

約数和(自身を含む): 38618064

約数和(自身を除く): 17990414

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2531, 4075, 5062, 8150, 12655, 25310, 63275, 126550, 412553, 825106, 2062765, 4125530, 10313825, 20627650]

約数ペア:

[(1, 20627650), (2, 10313825), (5, 4125530), (10, 2062765), (25, 825106), (50, 412553), (163, 126550), (326, 63275), (815, 25310), (1630, 12655), (2531, 8150), (4075, 5062)]