20331129

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10639}}^1$

素因数の和:10669

約数の個数: 24

約数和(自身を含む): 33962880

約数和(自身を除く): 13631751

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10639, 31917, 74473, 138307, 223419, 414921, 521311, 968149, 1563933, 2904447, 6777043, 20331129]

約数ペア:

[(1, 20331129), (3, 6777043), (7, 2904447), (13, 1563933), (21, 968149), (39, 521311), (49, 414921), (91, 223419), (147, 138307), (273, 74473), (637, 31917), (1911, 10639)]