20161410820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5631679}}^1$

素因数の和:5631867

約数の個数: 24

約数和(自身を含む): 42575500800

約数和(自身を除く): 22414089980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5631679, 11263358, 22526716, 28158395, 56316790, 112633580, 1008070541, 2016141082, 4032282164, 5040352705, 10080705410, 20161410820]

約数ペア:

[(1, 20161410820), (2, 10080705410), (4, 5040352705), (5, 4032282164), (10, 2016141082), (20, 1008070541), (179, 112633580), (358, 56316790), (716, 28158395), (895, 22526716), (1790, 11263358), (3580, 5631679)]