20946519

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23509}}^1$

素因数の和:23532

約数の個数: 20

約数和(自身を含む): 34136520

約数和(自身を除く): 13190001

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23509, 70527, 211581, 258599, 634743, 775797, 1904229, 2327391, 6982173, 20946519]

約数ペア:

[(1, 20946519), (3, 6982173), (9, 2327391), (11, 1904229), (27, 775797), (33, 634743), (81, 258599), (99, 211581), (297, 70527), (891, 23509)]