18660020

素因数分解:

$2^2\times 5^1\times {\mathrm{933001}}^1$

素因数の和:933010

約数の個数: 12

約数和(自身を含む): 39186084

約数和(自身を除く): 20526064

約数列:

[1, 2, 4, 5, 10, 20, 933001, 1866002, 3732004, 4665005, 9330010, 18660020]

約数ペア:

[(1, 18660020), (2, 9330010), (4, 4665005), (5, 3732004), (10, 1866002), (20, 933001)]