20641464

素因数分解:

$2^3\times 3^2\times {\mathrm{286687}}^1$

素因数の和:286699

約数の個数: 24

約数和(自身を含む): 55904160

約数和(自身を除く): 35262696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 286687, 573374, 860061, 1146748, 1720122, 2293496, 2580183, 3440244, 5160366, 6880488, 10320732, 20641464]

約数ペア:

[(1, 20641464), (2, 10320732), (3, 6880488), (4, 5160366), (6, 3440244), (8, 2580183), (9, 2293496), (12, 1720122), (18, 1146748), (24, 860061), (36, 573374), (72, 286687)]