20199425161

素因数分解:

${\mathrm{991}}^1\times {\mathrm{1061}}^1\times {\mathrm{19211}}^1$

素因数の和:21263

約数の個数: 8

約数和(自身を含む): 20239918848

約数和(自身を除く): 40493687

約数列:

[1, 991, 1061, 19211, 1051451, 19038101, 20382871, 20199425161]

約数ペア:

[(1, 20199425161), (991, 20382871), (1061, 19038101), (19211, 1051451)]