Primitive abundant numbers that set a new record for number of divisors.

Terms

a(0) =20a(1) =70a(2) =272a(3) =550a(4) =945a(5) =1575a(6) =3465a(7) =15015a(8) =47025a(9) =81081a(10) =153153a(11) =692835a(12) =1851759a(13) =3633903a(14) =6084351a(15) =22309287a(16) =95009481a(17) =131339637a(18) =277272567a(19) =1321122231a(20) =1516844043a(21) =5391411025a(22) =28816162375a(23) =40342627325a(24) =181667110625a(25) =186096635725a(26) =213239601575