20652550

素因数分解:

$2^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1303}}^1$

素因数の和:1632

約数の個数: 24

約数和(自身を含む): 38564496

約数和(自身を除く): 17911946

約数列:

[1, 2, 5, 10, 25, 50, 317, 634, 1303, 1585, 2606, 3170, 6515, 7925, 13030, 15850, 32575, 65150, 413051, 826102, 2065255, 4130510, 10326275, 20652550]

約数ペア:

[(1, 20652550), (2, 10326275), (5, 4130510), (10, 2065255), (25, 826102), (50, 413051), (317, 65150), (634, 32575), (1303, 15850), (1585, 13030), (2606, 7925), (3170, 6515)]