20533317

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22739}}^1$

素因数の和:22792

約数の個数: 16

約数和(自身を含む): 32017920

約数和(自身を除く): 11484603

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22739, 68217, 159173, 477519, 977777, 2933331, 6844439, 20533317]

約数ペア:

[(1, 20533317), (3, 6844439), (7, 2933331), (21, 977777), (43, 477519), (129, 159173), (301, 68217), (903, 22739)]