20139949907

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23777981}}^1$

素因数の和:23778010

約数の個数: 12

約数和(自身を含む): 25299772848

約数和(自身を除く): 5159822941

約数列:

[1, 7, 11, 77, 121, 847, 23777981, 166445867, 261557791, 1830904537, 2877135701, 20139949907]

約数ペア:

[(1, 20139949907), (7, 2877135701), (11, 1830904537), (77, 261557791), (121, 166445867), (847, 23777981)]