20138381669

素因数分解:

$7^3\times {\mathrm{881}}^1\times {\mathrm{66643}}^1$

素因数の和:67545

約数の個数: 16

約数和(自身を含む): 23512003200

約数和(自身を除く): 3373621531

約数列:

[1, 7, 49, 343, 881, 6167, 43169, 66643, 302183, 466501, 3265507, 22858549, 58712483, 410987381, 2876911667, 20138381669]

約数ペア:

[(1, 20138381669), (7, 2876911667), (49, 410987381), (343, 58712483), (881, 22858549), (6167, 3265507), (43169, 466501), (66643, 302183)]