202012220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439157}}^1$

素因数の和:439189

約数の個数: 24

約数和(自身を含む): 442671264

約数和(自身を除く): 240659044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 439157, 878314, 1756628, 2195785, 4391570, 8783140, 10100611, 20201222, 40402444, 50503055, 101006110, 202012220]

約数ペア:

[(1, 202012220), (2, 101006110), (4, 50503055), (5, 40402444), (10, 20201222), (20, 10100611), (23, 8783140), (46, 4391570), (92, 2195785), (115, 1756628), (230, 878314), (460, 439157)]