20122564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 24390716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 827, 869, 1106, 1654, 1738, 2212, 3308, 3476, 5789, 6083, 9097, 11578, 12166, 18194, 23156, 24332, 36388, 63679, 65333, 127358, 130666, 254716, 261332, 457331, 718663, 914662, 1437326, 1829324, 2874652, 5030641, 10061282, 20122564]

約数ペア:

[(1, 20122564), (2, 10061282), (4, 5030641), (7, 2874652), (11, 1829324), (14, 1437326), (22, 914662), (28, 718663), (44, 457331), (77, 261332), (79, 254716), (154, 130666), (158, 127358), (308, 65333), (316, 63679), (553, 36388), (827, 24332), (869, 23156), (1106, 18194), (1654, 12166), (1738, 11578), (2212, 9097), (3308, 6083), (3476, 5789)]