2016380180

素因数分解:

$2^2\times 5^1\times {\mathrm{100819009}}^1$

素因数の和:100819018

約数の個数: 12

約数和(自身を含む): 4234398420

約数和(自身を除く): 2218018240

約数列:

[1, 2, 4, 5, 10, 20, 100819009, 201638018, 403276036, 504095045, 1008190090, 2016380180]

約数ペア:

[(1, 2016380180), (2, 1008190090), (4, 504095045), (5, 403276036), (10, 201638018), (20, 100819009)]