20070280180

素因数分解:

$2^2\times 5^1\times {\mathrm{1003514009}}^1$

素因数の和:1003514018

約数の個数: 12

約数和(自身を含む): 42147588420

約数和(自身を除く): 22077308240

約数列:

[1, 2, 4, 5, 10, 20, 1003514009, 2007028018, 4014056036, 5017570045, 10035140090, 20070280180]

約数ペア:

[(1, 20070280180), (2, 10035140090), (4, 5017570045), (5, 4014056036), (10, 2007028018), (20, 1003514009)]