Abundant numbers n such that n/(sigma(n)-2n) is an integer.
12, 18, 20, 24, 40, 56, 88, 104, 120, 196, 224, 234, 368, 464, 650, 672, 992, 1504
2 seqfan posts
Wed Nov 3 22:15:01 CET 2010 [seqfan] Re: Near-perfect numbers
Mon Nov 1 19:06:41 CET 2010 [seqfan] Near-perfect numbers
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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