20176025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 27420120

約数和(自身を除く): 7244095

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1637, 2465, 8185, 12325, 27829, 40925, 47473, 139145, 237365, 695725, 807041, 1186825, 4035205, 20176025]

約数ペア:

[(1, 20176025), (5, 4035205), (17, 1186825), (25, 807041), (29, 695725), (85, 237365), (145, 139145), (425, 47473), (493, 40925), (725, 27829), (1637, 12325), (2465, 8185)]