20288697

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47293}}^1$

素因数の和:47320

約数の個数: 16

約数和(自身を含む): 31781568

約数和(自身を除く): 11492871

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47293, 141879, 520223, 614809, 1560669, 1844427, 6762899, 20288697]

約数ペア:

[(1, 20288697), (3, 6762899), (11, 1844427), (13, 1560669), (33, 614809), (39, 520223), (143, 141879), (429, 47293)]