20498577

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2417}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 29944512

約数和(自身を除く): 9445935

約数列:

[1, 3, 11, 33, 257, 771, 2417, 2827, 7251, 8481, 26587, 79761, 621169, 1863507, 6832859, 20498577]

約数ペア:

[(1, 20498577), (3, 6832859), (11, 1863507), (33, 621169), (257, 79761), (771, 26587), (2417, 8481), (2827, 7251)]