Numbers that divide the average of the sum of the squares of their divisors.

Terms

a(0) =1a(1) =65a(2) =175a(3) =1105a(4) =5425a(5) =20737a(6) =32045a(7) =70525a(8) =103685a(9) =171275a(10) =200725a(11) =207553a(12) =352529a(13) =372775a(14) =1037765a(15) =1198925a(16) =1264957a(17) =1347905a(18) =1762645a(19) =1824877a(20) =2609425a(21) =2698189a(22) =3628975a(23) =3928475a(24) =4966975a(25) =6324785a(26) =6337175a(27) =8646625a(28) =8813225a(29) =9124385