20169457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1607}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 25316352

約数和(自身を除く): 5146895

約数列:

[1, 7, 11, 77, 163, 1141, 1607, 1793, 11249, 12551, 17677, 123739, 261941, 1833587, 2881351, 20169457]

約数ペア:

[(1, 20169457), (7, 2881351), (11, 1833587), (77, 261941), (163, 123739), (1141, 17677), (1607, 12551), (1793, 11249)]