20952867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{739}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 30168320

約数和(自身を除く): 9215453

約数列:

[1, 3, 13, 39, 727, 739, 2181, 2217, 9451, 9607, 28353, 28821, 537253, 1611759, 6984289, 20952867]

約数ペア:

[(1, 20952867), (3, 6984289), (13, 1611759), (39, 537253), (727, 28821), (739, 28353), (2181, 9607), (2217, 9451)]