20506291

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1806

約数の個数: 12

約数和(自身を含む): 22530960

約数和(自身を除く): 2024669

約数列:

[1, 13, 71, 169, 923, 1709, 11999, 22217, 121339, 288821, 1577407, 20506291]

約数ペア:

[(1, 20506291), (13, 1577407), (71, 288821), (169, 121339), (923, 22217), (1709, 11999)]