20236940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9283}}^1$

素因数の和:9401

約数の個数: 24

約数和(自身を含む): 42892080

約数和(自身を除く): 22655140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9283, 18566, 37132, 46415, 92830, 185660, 1011847, 2023694, 4047388, 5059235, 10118470, 20236940]

約数ペア:

[(1, 20236940), (2, 10118470), (4, 5059235), (5, 4047388), (10, 2023694), (20, 1011847), (109, 185660), (218, 92830), (436, 46415), (545, 37132), (1090, 18566), (2180, 9283)]