16294420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18947}}^1$

素因数の和:18999

約数の個数: 24

約数和(自身を含む): 35015904

約数和(自身を除く): 18721484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18947, 37894, 75788, 94735, 189470, 378940, 814721, 1629442, 3258884, 4073605, 8147210, 16294420]

約数ペア:

[(1, 16294420), (2, 8147210), (4, 4073605), (5, 3258884), (10, 1629442), (20, 814721), (43, 378940), (86, 189470), (172, 94735), (215, 75788), (430, 37894), (860, 18947)]