20563128

素因数分解:

$2^3\times 3^2\times {\mathrm{285599}}^1$

素因数の和:285611

約数の個数: 24

約数和(自身を含む): 55692000

約数和(自身を除く): 35128872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285599, 571198, 856797, 1142396, 1713594, 2284792, 2570391, 3427188, 5140782, 6854376, 10281564, 20563128]

約数ペア:

[(1, 20563128), (2, 10281564), (3, 6854376), (4, 5140782), (6, 3427188), (8, 2570391), (9, 2284792), (12, 1713594), (18, 1142396), (24, 856797), (36, 571198), (72, 285599)]