20148009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56437}}^1$

素因数の和:56464

約数の個数: 16

約数和(自身を含む): 32508288

約数和(自身を除く): 12360279

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56437, 169311, 395059, 959429, 1185177, 2878287, 6716003, 20148009]

約数ペア:

[(1, 20148009), (3, 6716003), (7, 2878287), (17, 1185177), (21, 959429), (51, 395059), (119, 169311), (357, 56437)]