20229520

素因数分解:

$2^4\times 5^1\times {\mathrm{252869}}^1$

素因数の和:252882

約数の個数: 20

約数和(自身を含む): 47033820

約数和(自身を除く): 26804300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252869, 505738, 1011476, 1264345, 2022952, 2528690, 4045904, 5057380, 10114760, 20229520]

約数ペア:

[(1, 20229520), (2, 10114760), (4, 5057380), (5, 4045904), (8, 2528690), (10, 2022952), (16, 1264345), (20, 1011476), (40, 505738), (80, 252869)]