20170108

素因数分解:

$2^2\times 7^1\times {\mathrm{720361}}^1$

素因数の和:720372

約数の個数: 12

約数和(自身を含む): 40340272

約数和(自身を除く): 20170164

約数列:

[1, 2, 4, 7, 14, 28, 720361, 1440722, 2881444, 5042527, 10085054, 20170108]

約数ペア:

[(1, 20170108), (2, 10085054), (4, 5042527), (7, 2881444), (14, 1440722), (28, 720361)]