20689317

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{69661}}^1$

素因数の和:69681

約数の個数: 16

約数和(自身を含む): 33437760

約数和(自身を除く): 12748443

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 69661, 208983, 626949, 766271, 1880847, 2298813, 6896439, 20689317]

約数ペア:

[(1, 20689317), (3, 6896439), (9, 2298813), (11, 1880847), (27, 766271), (33, 626949), (99, 208983), (297, 69661)]