20566761

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2347}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 28852224

約数和(自身を除く): 8285463

約数列:

[1, 3, 23, 69, 127, 381, 2347, 2921, 7041, 8763, 53981, 161943, 298069, 894207, 6855587, 20566761]

約数ペア:

[(1, 20566761), (3, 6855587), (23, 894207), (69, 298069), (127, 161943), (381, 53981), (2347, 8763), (2921, 7041)]