[求助]GWD 9-19

equilibrium

Is the integer n odd?

(1) n is divisible by 3

(2) 2n is divisible by twice as many positive integer as n.

请教(2)是什么意思 ? 多谢帮忙

qwrersaa

2）2n这个数，可以被整除的正整数的个数（即2n的因子个数）是n的两倍