20571397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{617}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 25748352

約数和(自身を除く): 5176955

約数列:

[1, 7, 11, 77, 433, 617, 3031, 4319, 4763, 6787, 33341, 47509, 267161, 1870127, 2938771, 20571397]

約数ペア:

[(1, 20571397), (7, 2938771), (11, 1870127), (77, 267161), (433, 47509), (617, 33341), (3031, 6787), (4319, 4763)]