20204180

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2411}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 42547680

約数和(自身を除く): 22343500

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2411, 4190, 4822, 8380, 9644, 12055, 24110, 48220, 1010209, 2020418, 4040836, 5051045, 10102090, 20204180]

約数ペア:

[(1, 20204180), (2, 10102090), (4, 5051045), (5, 4040836), (10, 2020418), (20, 1010209), (419, 48220), (838, 24110), (1676, 12055), (2095, 9644), (2411, 8380), (4190, 4822)]