Smallest number evenly divisible by numbers from 1 to 20#

import math 

def divisible_from_1_to_n(n):  
    number = 1
    for i in range(1, n + 1):  
        number = int((number * i)/math.gcd(number, i))          
    return number  

n = int(input())
print (divisible_from_1_to_n(n))

INPUT

20

OUTPUT

232792560