Meaning of divisor function | Babel Free
Definitions
A function yielding the sum of the divisors of an integer. It is denoted by the Greek letter σ (sigma).
Examples
“The value of the divisor function for 20 is 1 + 2 + 4 + 5 + 10 + 20 = 42, denoted as σ(20) = 42.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.