20566707

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23887}}^1$

素因数の和:23938

約数の個数: 16

約数和(自身を含む): 32105472

約数和(自身を除く): 11538765

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23887, 71661, 167209, 501627, 979367, 2938101, 6855569, 20566707]

約数ペア:

[(1, 20566707), (3, 6855569), (7, 2938101), (21, 979367), (41, 501627), (123, 167209), (287, 71661), (861, 23887)]