20355825

Appears in sequences

• Odd numbers n such that abs(sigma(n)-2n) <= n^(1/3). Abundance-radius = abs(sigma(n)-2n) does not exceed cubic root of n and n is odd.at n=23A088010
• Odd numbers whose abundancy is closer to 2 than any smaller odd number.at n=18A171929
• Odd abundant numbers whose abundancy is closer to 2 than any smaller odd abundant number.at n=10A188263
• Numbers m with abundance 30: sigma(m) - 2*m = 30.at n=7A389701