20509684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23201}}^1$

素因数の和:23235

約数の個数: 24

約数和(自身を含む): 40928328

約数和(自身を除く): 20418644

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23201, 46402, 92804, 301613, 394417, 603226, 788834, 1206452, 1577668, 5127421, 10254842, 20509684]

約数ペア:

[(1, 20509684), (2, 10254842), (4, 5127421), (13, 1577668), (17, 1206452), (26, 788834), (34, 603226), (52, 394417), (68, 301613), (221, 92804), (442, 46402), (884, 23201)]