168260020

素因数分解:

$2^2\times 5^1\times {\mathrm{8413001}}^1$

素因数の和:8413010

約数の個数: 12

約数和(自身を含む): 353346084

約数和(自身を除く): 185086064

約数列:

[1, 2, 4, 5, 10, 20, 8413001, 16826002, 33652004, 42065005, 84130010, 168260020]

約数ペア:

[(1, 168260020), (2, 84130010), (4, 42065005), (5, 33652004), (10, 16826002), (20, 8413001)]