20160920108

素因数分解:

$2^2\times 7^1\times {\mathrm{720032861}}^1$

素因数の和:720032872

約数の個数: 12

約数和(自身を含む): 40321840272

約数和(自身を除く): 20160920164

約数列:

[1, 2, 4, 7, 14, 28, 720032861, 1440065722, 2880131444, 5040230027, 10080460054, 20160920108]

約数ペア:

[(1, 20160920108), (2, 10080460054), (4, 5040230027), (7, 2880131444), (14, 1440065722), (28, 720032861)]