20393406

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 48642048

約数和(自身を除く): 28248642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 127, 198, 254, 381, 762, 811, 1143, 1397, 1622, 2286, 2433, 2794, 4191, 4866, 7299, 8382, 8921, 12573, 14598, 17842, 25146, 26763, 53526, 80289, 102997, 160578, 205994, 308991, 617982, 926973, 1132967, 1853946, 2265934, 3398901, 6797802, 10196703, 20393406]

約数ペア:

[(1, 20393406), (2, 10196703), (3, 6797802), (6, 3398901), (9, 2265934), (11, 1853946), (18, 1132967), (22, 926973), (33, 617982), (66, 308991), (99, 205994), (127, 160578), (198, 102997), (254, 80289), (381, 53526), (762, 26763), (811, 25146), (1143, 17842), (1397, 14598), (1622, 12573), (2286, 8921), (2433, 8382), (2794, 7299), (4191, 4866)]