20327229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2537

約数の個数: 24

約数和(自身を含む): 32078592

約数和(自身を除く): 11751363

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2447, 2769, 7341, 8307, 22023, 31811, 95433, 173737, 286299, 521211, 1563633, 2258581, 6775743, 20327229]

約数ペア:

[(1, 20327229), (3, 6775743), (9, 2258581), (13, 1563633), (39, 521211), (71, 286299), (117, 173737), (213, 95433), (639, 31811), (923, 22023), (2447, 8307), (2769, 7341)]