20161749320

素因数分解:

$2^3\times 5^1\times {\mathrm{504043733}}^1$

素因数の和:504043744

約数の個数: 16

約数和(自身を含む): 45363936060

約数和(自身を除く): 25202186740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504043733, 1008087466, 2016174932, 2520218665, 4032349864, 5040437330, 10080874660, 20161749320]

約数ペア:

[(1, 20161749320), (2, 10080874660), (4, 5040437330), (5, 4032349864), (8, 2520218665), (10, 2016174932), (20, 1008087466), (40, 504043733)]