20004457

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 23398272

約数和(自身を除く): 3393815

約数列:

[1, 11, 23, 37, 253, 407, 851, 2137, 9361, 23507, 49151, 79069, 540661, 869759, 1818587, 20004457]

約数ペア:

[(1, 20004457), (11, 1818587), (23, 869759), (37, 540661), (253, 79069), (407, 49151), (851, 23507), (2137, 9361)]