20217224

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58771}}^1$

素因数の和:58820

約数の個数: 16

約数和(自身を含む): 38789520

約数和(自身を除く): 18572296

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58771, 117542, 235084, 470168, 2527153, 5054306, 10108612, 20217224]

約数ペア:

[(1, 20217224), (2, 10108612), (4, 5054306), (8, 2527153), (43, 470168), (86, 235084), (172, 117542), (344, 58771)]