Moreover, delegators to @leo.voter also earn LEO. It would be great to put them to top LEO earner list.
From my research, a Steem whale have delegated 300K Steem from multiple accounts who earn more than 500 LEO per day (https://steem-engine.rocks/@megavest). It may be hard to calculate.
RE: Top LEO Earners – October 2019 | Top LEO Holders