20606540

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1433}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 43364160

約数和(自身を除く): 22757620

約数列:

[1, 2, 4, 5, 10, 20, 719, 1433, 1438, 2866, 2876, 3595, 5732, 7165, 7190, 14330, 14380, 28660, 1030327, 2060654, 4121308, 5151635, 10303270, 20606540]

約数ペア:

[(1, 20606540), (2, 10303270), (4, 5151635), (5, 4121308), (10, 2060654), (20, 1030327), (719, 28660), (1433, 14380), (1438, 14330), (2866, 7190), (2876, 7165), (3595, 5732)]