20567239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3659}}^1$

素因数の和:3750

約数の個数: 16

約数和(自身を含む): 26000640

約数和(自身を除く): 5433401

約数列:

[1, 7, 11, 73, 77, 511, 803, 3659, 5621, 25613, 40249, 267107, 281743, 1869749, 2938177, 20567239]

約数ペア:

[(1, 20567239), (7, 2938177), (11, 1869749), (73, 281743), (77, 267107), (511, 40249), (803, 25613), (3659, 5621)]