20193804

素因数分解:

$2^2\times 3^2\times {\mathrm{560939}}^1$

素因数の和:560949

約数の個数: 18

約数和(自身を含む): 51045540

約数和(自身を除く): 30851736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560939, 1121878, 1682817, 2243756, 3365634, 5048451, 6731268, 10096902, 20193804]

約数ペア:

[(1, 20193804), (2, 10096902), (3, 6731268), (4, 5048451), (6, 3365634), (9, 2243756), (12, 1682817), (18, 1121878), (36, 560939)]