20454550

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1307}}^1$

素因数の和:1632

約数の個数: 24

約数和(自身を含む): 38196216

約数和(自身を除く): 17741666

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1307, 1565, 2614, 3130, 6535, 7825, 13070, 15650, 32675, 65350, 409091, 818182, 2045455, 4090910, 10227275, 20454550]

約数ペア:

[(1, 20454550), (2, 10227275), (5, 4090910), (10, 2045455), (25, 818182), (50, 409091), (313, 65350), (626, 32675), (1307, 15650), (1565, 13070), (2614, 7825), (3130, 6535)]