20161243172

素因数分解:

$2^2\times 7^1\times {\mathrm{720044399}}^1$

素因数の和:720044410

約数の個数: 12

約数和(自身を含む): 40322486400

約数和(自身を除く): 20161243228

約数列:

[1, 2, 4, 7, 14, 28, 720044399, 1440088798, 2880177596, 5040310793, 10080621586, 20161243172]

約数ペア:

[(1, 20161243172), (2, 10080621586), (4, 5040310793), (7, 2880177596), (14, 1440088798), (28, 720044399)]