20356605

素因数分解:

$3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{827}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 35392032

約数和(自身を除く): 15035427

約数列:

[1, 3, 5, 9, 15, 45, 547, 827, 1641, 2481, 2735, 4135, 4923, 7443, 8205, 12405, 24615, 37215, 452369, 1357107, 2261845, 4071321, 6785535, 20356605]

約数ペア:

[(1, 20356605), (3, 6785535), (5, 4071321), (9, 2261845), (15, 1357107), (45, 452369), (547, 37215), (827, 24615), (1641, 12405), (2481, 8205), (2735, 7443), (4135, 4923)]