20925759

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5779}}^1$

素因数の和:5870

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 9037761

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5779, 17337, 98243, 294729, 410309, 1230927, 6975253, 20925759]

約数ペア:

[(1, 20925759), (3, 6975253), (17, 1230927), (51, 410309), (71, 294729), (213, 98243), (1207, 17337), (3621, 5779)]