倍数

倍数	bèi shù	multiple / multiplier / factor
倍	bèi	(two, three etc) -fold / times (multiplier) / double / to increase or multiply
数	shǔ	to count / to count as; to regard as / to enumerate; to list
数	shù	number; figure / several; a few
数	shuò	(literary) frequently; repeatedly