20806268

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4733}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 41886432

約数和(自身を除く): 21080164

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4733, 9466, 18932, 33131, 66262, 132524, 743081, 1486162, 2972324, 5201567, 10403134, 20806268]

約数ペア:

[(1, 20806268), (2, 10403134), (4, 5201567), (7, 2972324), (14, 1486162), (28, 743081), (157, 132524), (314, 66262), (628, 33131), (1099, 18932), (2198, 9466), (4396, 4733)]