20322316

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16879}}^1$

素因数の和:16933

約数の個数: 24

約数和(自身を含む): 41592320

約数和(自身を除く): 21270004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16879, 33758, 67516, 118153, 236306, 472612, 725797, 1451594, 2903188, 5080579, 10161158, 20322316]

約数ペア:

[(1, 20322316), (2, 10161158), (4, 5080579), (7, 2903188), (14, 1451594), (28, 725797), (43, 472612), (86, 236306), (172, 118153), (301, 67516), (602, 33758), (1204, 16879)]