2042660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 4333560

約数和(自身を除く): 2290900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 937, 1090, 1874, 2180, 3748, 4685, 9370, 18740, 102133, 204266, 408532, 510665, 1021330, 2042660]

約数ペア:

[(1, 2042660), (2, 1021330), (4, 510665), (5, 408532), (10, 204266), (20, 102133), (109, 18740), (218, 9370), (436, 4685), (545, 3748), (937, 2180), (1090, 1874)]