171260020

素因数分解:

$2^2\times 5^1\times {\mathrm{8563001}}^1$

素因数の和:8563010

約数の個数: 12

約数和(自身を含む): 359646084

約数和(自身を除く): 188386064

約数列:

[1, 2, 4, 5, 10, 20, 8563001, 17126002, 34252004, 42815005, 85630010, 171260020]

約数ペア:

[(1, 171260020), (2, 85630010), (4, 42815005), (5, 34252004), (10, 17126002), (20, 8563001)]