20749924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7529}}^1$

素因数の和:7599

約数の個数: 24

約数和(自身を含む): 39848760

約数和(自身を除く): 19098836

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7529, 15058, 30116, 97877, 195754, 391508, 399037, 798074, 1596148, 5187481, 10374962, 20749924]

約数ペア:

[(1, 20749924), (2, 10374962), (4, 5187481), (13, 1596148), (26, 798074), (52, 399037), (53, 391508), (106, 195754), (212, 97877), (689, 30116), (1378, 15058), (2756, 7529)]