20960740

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4967}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 44235072

約数和(自身を除く): 23274332

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4967, 9934, 19868, 24835, 49670, 99340, 1048037, 2096074, 4192148, 5240185, 10480370, 20960740]

約数ペア:

[(1, 20960740), (2, 10480370), (4, 5240185), (5, 4192148), (10, 2096074), (20, 1048037), (211, 99340), (422, 49670), (844, 24835), (1055, 19868), (2110, 9934), (4220, 4967)]