20165007716

素因数分解:

$2^2\times 7^1\times {\mathrm{720178847}}^1$

素因数の和:720178858

約数の個数: 12

約数和(自身を含む): 40330015488

約数和(自身を除く): 20165007772

約数列:

[1, 2, 4, 7, 14, 28, 720178847, 1440357694, 2880715388, 5041251929, 10082503858, 20165007716]

約数ペア:

[(1, 20165007716), (2, 10082503858), (4, 5041251929), (7, 2880715388), (14, 1440357694), (28, 720178847)]