20292713

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1433}}^1$

素因数の和:1481

約数の個数: 18

約数和(自身を含む): 25093566

約数和(自身を除く): 4800853

約数列:

[1, 7, 17, 49, 119, 289, 833, 1433, 2023, 10031, 14161, 24361, 70217, 170527, 414137, 1193689, 2898959, 20292713]

約数ペア:

[(1, 20292713), (7, 2898959), (17, 1193689), (49, 414137), (119, 170527), (289, 70217), (833, 24361), (1433, 14161), (2023, 10031)]