20806449531

素因数分解:

$3^1\times 7^2\times {\mathrm{17117}}^1\times {\mathrm{8269}}^1$

素因数の和:25403

約数の個数: 24

約数和(自身を含む): 32277016080

約数和(自身を除く): 11470566549

約数列:

[1, 3, 7, 21, 49, 147, 8269, 17117, 24807, 51351, 57883, 119819, 173649, 359457, 405181, 838733, 1215543, 2516199, 141540473, 424621419, 990783311, 2972349933, 6935483177, 20806449531]

約数ペア:

[(1, 20806449531), (3, 6935483177), (7, 2972349933), (21, 990783311), (49, 424621419), (147, 141540473), (8269, 2516199), (17117, 1215543), (24807, 838733), (51351, 405181), (57883, 359457), (119819, 173649)]