20161121144

素因数分解:

$2^3\times {\mathrm{2520140143}}^1$

素因数の和:2520140149

約数の個数: 8

約数和(自身を含む): 37802102160

約数和(自身を除く): 17640981016

約数列:

[1, 2, 4, 8, 2520140143, 5040280286, 10080560572, 20161121144]

約数ペア:

[(1, 20161121144), (2, 10080560572), (4, 5040280286), (8, 2520140143)]