Problem 5 / Challenge #5: Smallest Multiple

$2520$ is the smallest number that can be divided by each of the numbers from $1$ to $10$ without any remainder.

What is the smallest positive number that is evenly divisible (divisible with no remainder) by all of the numbers from $1$ to $20$?

ProjectEuler+ Problem Statement

The Project Euler problem is equivalent to the ProjectEuler+ challenge with $T=1$ and $N=20$.