20887504

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10789}}^1$

素因数の和:10819

約数の個数: 30

約数和(自身を含む): 44487170

約数和(自身を除く): 23599666

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10789, 21578, 43156, 86312, 118679, 172624, 237358, 474716, 949432, 1305469, 1898864, 2610938, 5221876, 10443752, 20887504]

約数ペア:

[(1, 20887504), (2, 10443752), (4, 5221876), (8, 2610938), (11, 1898864), (16, 1305469), (22, 949432), (44, 474716), (88, 237358), (121, 172624), (176, 118679), (242, 86312), (484, 43156), (968, 21578), (1936, 10789)]