20170123708

素因数分解:

$2^2\times 7^1\times {\mathrm{720361561}}^1$

素因数の和:720361572

約数の個数: 12

約数和(自身を含む): 40340247472

約数和(自身を除く): 20170123764

約数列:

[1, 2, 4, 7, 14, 28, 720361561, 1440723122, 2881446244, 5042530927, 10085061854, 20170123708]

約数ペア:

[(1, 20170123708), (2, 10085061854), (4, 5042530927), (7, 2881446244), (14, 1440723122), (28, 720361561)]