20287818

素因数分解:

$2^1\times 3^2\times {\mathrm{1127101}}^1$

素因数の和:1127109

約数の個数: 12

約数和(自身を含む): 43956978

約数和(自身を除く): 23669160

約数列:

[1, 2, 3, 6, 9, 18, 1127101, 2254202, 3381303, 6762606, 10143909, 20287818]

約数ペア:

[(1, 20287818), (2, 10143909), (3, 6762606), (6, 3381303), (9, 2254202), (18, 1127101)]