20679676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2543}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17785604

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2543, 4066, 5086, 8132, 10172, 48317, 96634, 193268, 272101, 544202, 1088404, 5169919, 10339838, 20679676]

約数ペア:

[(1, 20679676), (2, 10339838), (4, 5169919), (19, 1088404), (38, 544202), (76, 272101), (107, 193268), (214, 96634), (428, 48317), (2033, 10172), (2543, 8132), (4066, 5086)]