201812420

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{9283}}^1$

素因数の和:10379

約数の個数: 24

約数和(自身を含む): 424241664

約数和(自身を除く): 222429244

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 4348, 5435, 9283, 10870, 18566, 21740, 37132, 46415, 92830, 185660, 10090621, 20181242, 40362484, 50453105, 100906210, 201812420]

約数ペア:

[(1, 201812420), (2, 100906210), (4, 50453105), (5, 40362484), (10, 20181242), (20, 10090621), (1087, 185660), (2174, 92830), (4348, 46415), (5435, 37132), (9283, 21740), (10870, 18566)]