20714889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7481}}^1$

素因数の和:7568

約数の個数: 16

約数和(自身を含む): 30167424

約数和(自身を除く): 9452535

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7481, 22443, 97253, 291759, 531151, 1593453, 6904963, 20714889]

約数ペア:

[(1, 20714889), (3, 6904963), (13, 1593453), (39, 531151), (71, 291759), (213, 97253), (923, 22443), (2769, 7481)]