20811684

素因数分解:

$2^2\times 3^1\times {\mathrm{317}}^1\times {\mathrm{5471}}^1$

素因数の和:5795

約数の個数: 24

約数和(自身を含む): 48722688

約数和(自身を除く): 27911004

約数列:

[1, 2, 3, 4, 6, 12, 317, 634, 951, 1268, 1902, 3804, 5471, 10942, 16413, 21884, 32826, 65652, 1734307, 3468614, 5202921, 6937228, 10405842, 20811684]

約数ペア:

[(1, 20811684), (2, 10405842), (3, 6937228), (4, 5202921), (6, 3468614), (12, 1734307), (317, 65652), (634, 32826), (951, 21884), (1268, 16413), (1902, 10942), (3804, 5471)]