19821020

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2069}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 21910180

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2069, 2395, 4138, 4790, 8276, 9580, 10345, 20690, 41380, 991051, 1982102, 3964204, 4955255, 9910510, 19821020]

約数ペア:

[(1, 19821020), (2, 9910510), (4, 4955255), (5, 3964204), (10, 1982102), (20, 991051), (479, 41380), (958, 20690), (1916, 10345), (2069, 9580), (2395, 8276), (4138, 4790)]