20685076

素因数分解:

$2^2\times {\mathrm{47}}^2\times {\mathrm{2341}}^1$

素因数の和:2439

約数の個数: 18

約数和(自身を含む): 37001258

約数和(自身を除く): 16316182

約数列:

[1, 2, 4, 47, 94, 188, 2209, 2341, 4418, 4682, 8836, 9364, 110027, 220054, 440108, 5171269, 10342538, 20685076]

約数ペア:

[(1, 20685076), (2, 10342538), (4, 5171269), (47, 440108), (94, 220054), (188, 110027), (2209, 9364), (2341, 8836), (4418, 4682)]