20255529

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 31467072

約数和(自身を除く): 11211543

約数列:

[1, 3, 7, 21, 73, 181, 219, 511, 543, 1267, 1533, 3801, 5329, 13213, 15987, 37303, 39639, 92491, 111909, 277473, 964549, 2893647, 6751843, 20255529]

約数ペア:

[(1, 20255529), (3, 6751843), (7, 2893647), (21, 964549), (73, 277473), (181, 111909), (219, 92491), (511, 39639), (543, 37303), (1267, 15987), (1533, 13213), (3801, 5329)]