20169821812

素因数分解:

$2^2\times 7^1\times {\mathrm{720350779}}^1$

素因数の和:720350790

約数の個数: 12

約数和(自身を含む): 40339643680

約数和(自身を除く): 20169821868

約数列:

[1, 2, 4, 7, 14, 28, 720350779, 1440701558, 2881403116, 5042455453, 10084910906, 20169821812]

約数ペア:

[(1, 20169821812), (2, 10084910906), (4, 5042455453), (7, 2881403116), (14, 1440701558), (28, 720350779)]