20876210

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2069}}^1$

素因数の和:3085

約数の個数: 16

約数和(自身を含む): 37632600

約数和(自身を除く): 16756390

約数列:

[1, 2, 5, 10, 1009, 2018, 2069, 4138, 5045, 10090, 10345, 20690, 2087621, 4175242, 10438105, 20876210]

約数ペア:

[(1, 20876210), (2, 10438105), (5, 4175242), (10, 2087621), (1009, 20690), (2018, 10345), (2069, 10090), (4138, 5045)]