20728042

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{2237}}^1$

素因数の和:2393

約数の個数: 16

約数和(自身を含む): 32146632

約数和(自身を除く): 11418590

約数列:

[1, 2, 41, 82, 113, 226, 2237, 4474, 4633, 9266, 91717, 183434, 252781, 505562, 10364021, 20728042]

約数ペア:

[(1, 20728042), (2, 10364021), (41, 505562), (82, 252781), (113, 183434), (226, 91717), (2237, 9266), (4474, 4633)]