20642236

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2791}}^1$

素因数の和:2881

約数の個数: 18

約数和(自身を含む): 36996792

約数和(自身を除く): 16354556

約数列:

[1, 2, 4, 43, 86, 172, 1849, 2791, 3698, 5582, 7396, 11164, 120013, 240026, 480052, 5160559, 10321118, 20642236]

約数ペア:

[(1, 20642236), (2, 10321118), (4, 5160559), (43, 480052), (86, 240026), (172, 120013), (1849, 11164), (2791, 7396), (3698, 5582)]