11180020

素因数分解:

$2^2\times 5^1\times {\mathrm{559001}}^1$

素因数の和:559010

約数の個数: 12

約数和(自身を含む): 23478084

約数和(自身を除く): 12298064

約数列:

[1, 2, 4, 5, 10, 20, 559001, 1118002, 2236004, 2795005, 5590010, 11180020]

約数ペア:

[(1, 11180020), (2, 5590010), (4, 2795005), (5, 2236004), (10, 1118002), (20, 559001)]