20780452781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{127739}}^1$

素因数の和:128416

約数の個数: 16

約数和(自身を含む): 23692193280

約数和(自身を除く): 2911740499

約数列:

[1, 11, 23, 253, 643, 7073, 14789, 127739, 162679, 1405129, 2937997, 32317967, 82136177, 903497947, 1889132071, 20780452781]

約数ペア:

[(1, 20780452781), (11, 1889132071), (23, 903497947), (253, 82136177), (643, 32317967), (7073, 2937997), (14789, 1405129), (127739, 162679)]