20809156767

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1198201}}^1$

素因数の和:1199038

約数の個数: 16

約数和(自身を含む): 31747560192

約数和(自身を除く): 10938403425

約数列:

[1, 3, 7, 21, 827, 2481, 5789, 17367, 1198201, 3594603, 8387407, 25162221, 990912227, 2972736681, 6936385589, 20809156767]

約数ペア:

[(1, 20809156767), (3, 6936385589), (7, 2972736681), (21, 990912227), (827, 25162221), (2481, 8387407), (5789, 3594603), (17367, 1198201)]