20618576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 43878144

約数和(自身を除く): 23259568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 607, 772, 1214, 1544, 2123, 2428, 3088, 4246, 4856, 6677, 8492, 9712, 13354, 16984, 26708, 33968, 53416, 106832, 117151, 234302, 468604, 937208, 1288661, 1874416, 2577322, 5154644, 10309288, 20618576]

約数ペア:

[(1, 20618576), (2, 10309288), (4, 5154644), (8, 2577322), (11, 1874416), (16, 1288661), (22, 937208), (44, 468604), (88, 234302), (176, 117151), (193, 106832), (386, 53416), (607, 33968), (772, 26708), (1214, 16984), (1544, 13354), (2123, 9712), (2428, 8492), (3088, 6677), (4246, 4856)]