168372020

素因数分解:

$2^2\times 5^1\times {\mathrm{8418601}}^1$

素因数の和:8418610

約数の個数: 12

約数和(自身を含む): 353581284

約数和(自身を除く): 185209264

約数列:

[1, 2, 4, 5, 10, 20, 8418601, 16837202, 33674404, 42093005, 84186010, 168372020]

約数ペア:

[(1, 168372020), (2, 84186010), (4, 42093005), (5, 33674404), (10, 16837202), (20, 8418601)]