22821020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8209}}^1$

素因数の和:8357

約数の個数: 24

約数和(自身を含む): 48274800

約数和(自身を除く): 25453780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 8209, 16418, 32836, 41045, 82090, 164180, 1141051, 2282102, 4564204, 5705255, 11410510, 22821020]

約数ペア:

[(1, 22821020), (2, 11410510), (4, 5705255), (5, 4564204), (10, 2282102), (20, 1141051), (139, 164180), (278, 82090), (556, 41045), (695, 32836), (1390, 16418), (2780, 8209)]