I divisori di 16801989 sono 8, elencati qui di seguito: 1; 3; 277; 831; 20219; 60657; 5600663; 16801989
16801970, 16801971, 16801972, 16801973, 16801974, 16801975, 16801976, 16801977, 16801978, 16801979, 16801980, 16801981, 16801982, 16801983, 16801984, 16801985, 16801986, 16801987, 16801988, 16801990, 16801991, 16801992, 16801993, 16801994, 16801995, 16801996, 16801997, 16801998, 16801999, 16802000, 16802001, 16802002, 16802003, 16802004, 16802005, 16802006, 16802007, 16802008