此句中的as much as 能否用as many as代替

题目

此句中的as much as 能否用as many as代替
The number of the people that/who come to visit the city this year is twice as much as last year.能否用many?
number 是可数的

答案

the number of 当做整体,且前面是twice,应该只能用as much as