20108669

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21599}}^1$

素因数の和:21632

約数の個数: 12

約数和(自身を含む): 24624000

約数和(自身を除く): 4515331

約数列:

[1, 7, 19, 49, 133, 931, 21599, 151193, 410381, 1058351, 2872667, 20108669]

約数ペア:

[(1, 20108669), (7, 2872667), (19, 1058351), (49, 410381), (133, 151193), (931, 21599)]