20706819

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14717}}^1$

素因数の和:14794

約数の個数: 16

約数和(自身を含む): 32026368

約数和(自身を除く): 11319549

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14717, 44151, 103019, 309057, 986039, 2958117, 6902273, 20706819]

約数ペア:

[(1, 20706819), (3, 6902273), (7, 2958117), (21, 986039), (67, 309057), (201, 103019), (469, 44151), (1407, 14717)]