sigmaAntidiagonalEquivProd

(n : ℕ+) × ↥(↑n).divisorsAntidiagonal ≃ ℕ+ × ℕ+

The equivalence from the union over n of Nat.divisorsAntidiagonal n to ℕ+ × ℕ+ given by sending n = a * b to (a, b).

Defined in: Mathlib.NumberTheory.TsumDivisorsAntidiagonal
Cited by: 4 results in Mathlib
Foundations: Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound

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