Q. 1395.0( 2 Votes )

A number for which the sum of all its factors is equal to twice the number is called a _____ number.

Answer :

Perfect number.

Example : 6


Factors of 6 are 1, 2, 3 and 6.


Sum = 1 + 2 + 3 + 6 = 12 = 2 x 6 = twice the number.


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