20153245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33871}}^1$

素因数の和:33900

約数の個数: 16

約数和(自身を含む): 29265408

約数和(自身を除く): 9112163

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33871, 169355, 237097, 575807, 1185485, 2879035, 4030649, 20153245]

約数ペア:

[(1, 20153245), (5, 4030649), (7, 2879035), (17, 1185485), (35, 575807), (85, 237097), (119, 169355), (595, 33871)]