204591980

素因数分解:

$2^2\times 5^1\times {\mathrm{2767}}^1\times {\mathrm{3697}}^1$

素因数の和:6473

約数の個数: 24

約数和(自身を含む): 429914688

約数和(自身を除く): 225322708

約数列:

[1, 2, 4, 5, 10, 20, 2767, 3697, 5534, 7394, 11068, 13835, 14788, 18485, 27670, 36970, 55340, 73940, 10229599, 20459198, 40918396, 51147995, 102295990, 204591980]

約数ペア:

[(1, 204591980), (2, 102295990), (4, 51147995), (5, 40918396), (10, 20459198), (20, 10229599), (2767, 73940), (3697, 55340), (5534, 36970), (7394, 27670), (11068, 18485), (13835, 14788)]