20173520

素因数分解:

$2^4\times 5^1\times {\mathrm{252169}}^1$

素因数の和:252182

約数の個数: 20

約数和(自身を含む): 46903620

約数和(自身を除く): 26730100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252169, 504338, 1008676, 1260845, 2017352, 2521690, 4034704, 5043380, 10086760, 20173520]

約数ペア:

[(1, 20173520), (2, 10086760), (4, 5043380), (5, 4034704), (8, 2521690), (10, 2017352), (16, 1260845), (20, 1008676), (40, 504338), (80, 252169)]