20900660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95003}}^1$

素因数の和:95023

約数の個数: 24

約数和(自身を含む): 47882016

約数和(自身を除く): 26981356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95003, 190006, 380012, 475015, 950030, 1045033, 1900060, 2090066, 4180132, 5225165, 10450330, 20900660]

約数ペア:

[(1, 20900660), (2, 10450330), (4, 5225165), (5, 4180132), (10, 2090066), (11, 1900060), (20, 1045033), (22, 950030), (44, 475015), (55, 380012), (110, 190006), (220, 95003)]