20806528508

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1759}}^1\times {\mathrm{68771}}^1$

素因数の和:70577

約数の個数: 24

約数和(自身を含む): 37279925760

約数和(自身を除く): 16473397252

約数列:

[1, 2, 4, 43, 86, 172, 1759, 3518, 7036, 68771, 75637, 137542, 151274, 275084, 302548, 2957153, 5914306, 11828612, 120968189, 241936378, 483872756, 5201632127, 10403264254, 20806528508]

約数ペア:

[(1, 20806528508), (2, 10403264254), (4, 5201632127), (43, 483872756), (86, 241936378), (172, 120968189), (1759, 11828612), (3518, 5914306), (7036, 2957153), (68771, 302548), (75637, 275084), (137542, 151274)]