How many of the positive factors of 16 are not factors of…

How many of the positive factors of 16 are not factors of 20

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #3525

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