已知等比数列\(\{a _{n} \}\)的公比为\(q\)，且\(0 < a _{1} < 1\)，\(a _{2020} =1\)，则\(q\)的取值范围为______；能使不等式\((a_{1}- \dfrac {1}{a_{1}})+(a_{2}- \dfrac {1}{a_{2}})+…+(a_{m}- \dfrac {1}{a_{m}})\leqslant 0\)成立的最大正整数\(m=\)______．