20950910

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4861}}^1$

素因数の和:5299

約数の個数: 16

約数和(自身を含む): 37806912

約数和(自身を除く): 16856002

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 4861, 9722, 24305, 48610, 2095091, 4190182, 10475455, 20950910]

約数ペア:

[(1, 20950910), (2, 10475455), (5, 4190182), (10, 2095091), (431, 48610), (862, 24305), (2155, 9722), (4310, 4861)]