858556220

素因数分解:

$2^2\times 5^1\times {\mathrm{2017}}^1\times {\mathrm{21283}}^1$

素因数の和:23309

約数の個数: 24

約数和(自身を含む): 1803946704

約数和(自身を除く): 945390484

約数列:

[1, 2, 4, 5, 10, 20, 2017, 4034, 8068, 10085, 20170, 21283, 40340, 42566, 85132, 106415, 212830, 425660, 42927811, 85855622, 171711244, 214639055, 429278110, 858556220]

約数ペア:

[(1, 858556220), (2, 429278110), (4, 214639055), (5, 171711244), (10, 85855622), (20, 42927811), (2017, 425660), (4034, 212830), (8068, 106415), (10085, 85132), (20170, 42566), (21283, 40340)]