20640696

素因数分解:

$2^3\times 3^1\times {\mathrm{860029}}^1$

素因数の和:860038

約数の個数: 16

約数和(自身を含む): 51601800

約数和(自身を除く): 30961104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 860029, 1720058, 2580087, 3440116, 5160174, 6880232, 10320348, 20640696]

約数ペア:

[(1, 20640696), (2, 10320348), (3, 6880232), (4, 5160174), (6, 3440116), (8, 2580087), (12, 1720058), (24, 860029)]