20258524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 42166656

約数和(自身を除く): 21908132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 107, 143, 214, 286, 331, 428, 572, 662, 1177, 1324, 1391, 2354, 2782, 3641, 4303, 4708, 5564, 7282, 8606, 14564, 15301, 17212, 30602, 35417, 47333, 61204, 70834, 94666, 141668, 189332, 389587, 460421, 779174, 920842, 1558348, 1841684, 5064631, 10129262, 20258524]

約数ペア:

[(1, 20258524), (2, 10129262), (4, 5064631), (11, 1841684), (13, 1558348), (22, 920842), (26, 779174), (44, 460421), (52, 389587), (107, 189332), (143, 141668), (214, 94666), (286, 70834), (331, 61204), (428, 47333), (572, 35417), (662, 30602), (1177, 17212), (1324, 15301), (1391, 14564), (2354, 8606), (2782, 7282), (3641, 5564), (4303, 4708)]