20085816368

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18736769}}^1$

素因数の和:18736844

約数の個数: 20

約数和(自身を含む): 39497111160

約数和(自身を除く): 19411294792

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18736769, 37473538, 74947076, 149894152, 299788304, 1255363523, 2510727046, 5021454092, 10042908184, 20085816368]

約数ペア:

[(1, 20085816368), (2, 10042908184), (4, 5021454092), (8, 2510727046), (16, 1255363523), (67, 299788304), (134, 149894152), (268, 74947076), (536, 37473538), (1072, 18736769)]