20103025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 25972544

約数和(自身を除く): 5869519

約数列:

[1, 5, 25, 37, 103, 185, 211, 515, 925, 1055, 2575, 3811, 5275, 7807, 19055, 21733, 39035, 95275, 108665, 195175, 543325, 804121, 4020605, 20103025]

約数ペア:

[(1, 20103025), (5, 4020605), (25, 804121), (37, 543325), (103, 195175), (185, 108665), (211, 95275), (515, 39035), (925, 21733), (1055, 19055), (2575, 7807), (3811, 5275)]