SAT Math Practice Question #25281 - SATify | SATify

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SAT Math Practice Question #25281 - SATify | SATify

#25281

number theory

divisors

Totient Function

medium

90 sec

Let $N = 24 \cdot 45 \cdot 14$ . What is the ratio of the sum of the odd divisors of $N$ to the sum of the even divisors of $N$ ?

A.

1 : 15

B.

1 : 20

C.

1 : 25

D.

1 : 30

E.

1 : 31