990906864

素因数分解:

$2^4\times 3^1\times {\mathrm{20643893}}^1$

素因数の和:20643904

約数の個数: 20

約数和(自身を含む): 2559842856

約数和(自身を除く): 1568935992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 20643893, 41287786, 61931679, 82575572, 123863358, 165151144, 247726716, 330302288, 495453432, 990906864]

約数ペア:

[(1, 990906864), (2, 495453432), (3, 330302288), (4, 247726716), (6, 165151144), (8, 123863358), (12, 82575572), (16, 61931679), (24, 41287786), (48, 20643893)]