20028368

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 30

約数和(自身を含む): 39787074

約数和(自身を除く): 19758706

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 677, 688, 1354, 1849, 2708, 3698, 5416, 7396, 10832, 14792, 29111, 29584, 58222, 116444, 232888, 465776, 1251773, 2503546, 5007092, 10014184, 20028368]

約数ペア:

[(1, 20028368), (2, 10014184), (4, 5007092), (8, 2503546), (16, 1251773), (43, 465776), (86, 232888), (172, 116444), (344, 58222), (677, 29584), (688, 29111), (1354, 14792), (1849, 10832), (2708, 7396), (3698, 5416)]