20756526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1559}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 47623680

約数和(自身を除く): 26867154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 317, 634, 951, 1559, 1902, 2219, 3118, 4438, 4677, 6657, 9354, 10913, 13314, 21826, 32739, 65478, 494203, 988406, 1482609, 2965218, 3459421, 6918842, 10378263, 20756526]

約数ペア:

[(1, 20756526), (2, 10378263), (3, 6918842), (6, 3459421), (7, 2965218), (14, 1482609), (21, 988406), (42, 494203), (317, 65478), (634, 32739), (951, 21826), (1559, 13314), (1902, 10913), (2219, 9354), (3118, 6657), (4438, 4677)]