2020104289

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{31481}}^1$

素因数の和:31680

約数の個数: 16

約数和(自身を含む): 2357372160

約数和(自身を除く): 337267871

約数列:

[1, 7, 89, 103, 623, 721, 9167, 31481, 64169, 220367, 2801809, 3242543, 19612663, 22697801, 288586327, 2020104289]

約数ペア:

[(1, 2020104289), (7, 288586327), (89, 22697801), (103, 19612663), (623, 3242543), (721, 2801809), (9167, 220367), (31481, 64169)]