20193520

素因数分解:

$2^4\times 5^1\times {\mathrm{252419}}^1$

素因数の和:252432

約数の個数: 20

約数和(自身を含む): 46950120

約数和(自身を除く): 26756600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252419, 504838, 1009676, 1262095, 2019352, 2524190, 4038704, 5048380, 10096760, 20193520]

約数ペア:

[(1, 20193520), (2, 10096760), (4, 5048380), (5, 4038704), (8, 2524190), (10, 2019352), (16, 1262095), (20, 1009676), (40, 504838), (80, 252419)]