20091185

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 24923136

約数和(自身を除く): 4831951

約数列:

[1, 5, 37, 185, 223, 487, 1115, 2435, 8251, 18019, 41255, 90095, 108601, 543005, 4018237, 20091185]

約数ペア:

[(1, 20091185), (5, 4018237), (37, 543005), (185, 108601), (223, 90095), (487, 41255), (1115, 18019), (2435, 8251)]