20166021776

素因数分解:

$2^4\times {\mathrm{1609}}^1\times {\mathrm{783329}}^1$

素因数の和:784946

約数の個数: 20

約数和(自身を含む): 39096000300

約数和(自身を除く): 18929978524

約数列:

[1, 2, 4, 8, 16, 1609, 3218, 6436, 12872, 25744, 783329, 1566658, 3133316, 6266632, 12533264, 1260376361, 2520752722, 5041505444, 10083010888, 20166021776]

約数ペア:

[(1, 20166021776), (2, 10083010888), (4, 5041505444), (8, 2520752722), (16, 1260376361), (1609, 12533264), (3218, 6266632), (6436, 3133316), (12872, 1566658), (25744, 783329)]