20267709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87739}}^1$

素因数の和:87760

約数の個数: 16

約数和(自身を含む): 33692160

約数和(自身を除く): 13424451

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87739, 263217, 614173, 965129, 1842519, 2895387, 6755903, 20267709]

約数ペア:

[(1, 20267709), (3, 6755903), (7, 2895387), (11, 1842519), (21, 965129), (33, 614173), (77, 263217), (231, 87739)]