20644472

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60013}}^1$

素因数の和:60062

約数の個数: 16

約数和(自身を含む): 39609240

約数和(自身を除く): 18964768

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60013, 120026, 240052, 480104, 2580559, 5161118, 10322236, 20644472]

約数ペア:

[(1, 20644472), (2, 10322236), (4, 5161118), (8, 2580559), (43, 480104), (86, 240052), (172, 120026), (344, 60013)]