20164521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7717}}^1$

素因数の和:7800

約数の個数: 16

約数和(自身を含む): 29390144

約数和(自身を除く): 9225623

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7717, 23151, 100321, 300963, 517039, 1551117, 6721507, 20164521]

約数ペア:

[(1, 20164521), (3, 6721507), (13, 1551117), (39, 517039), (67, 300963), (201, 100321), (871, 23151), (2613, 7717)]