8684420

素因数分解:

$2^2\times 5^1\times {\mathrm{434221}}^1$

素因数の和:434230

約数の個数: 12

約数和(自身を含む): 18237324

約数和(自身を除く): 9552904

約数列:

[1, 2, 4, 5, 10, 20, 434221, 868442, 1736884, 2171105, 4342210, 8684420]

約数ペア:

[(1, 8684420), (2, 4342210), (4, 2171105), (5, 1736884), (10, 868442), (20, 434221)]