20881589277

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1\times {\mathrm{102643}}^1$

素因数の和:106652

約数の個数: 16

約数和(自身を含む): 29487568320

約数和(自身を除く): 8605979043

約数列:

[1, 3, 17, 51, 3989, 11967, 67813, 102643, 203439, 307929, 1744931, 5234793, 409442927, 1228328781, 6960529759, 20881589277]

約数ペア:

[(1, 20881589277), (3, 6960529759), (17, 1228328781), (51, 409442927), (3989, 5234793), (11967, 1744931), (67813, 307929), (102643, 203439)]