20128449

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{839}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 9224511

約数列:

[1, 3, 11, 33, 727, 839, 2181, 2517, 7997, 9229, 23991, 27687, 609953, 1829859, 6709483, 20128449]

約数ペア:

[(1, 20128449), (3, 6709483), (11, 1829859), (33, 609953), (727, 27687), (839, 23991), (2181, 9229), (2517, 7997)]