20395797

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1999}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8404203

約数列:

[1, 3, 19, 57, 179, 537, 1999, 3401, 5997, 10203, 37981, 113943, 357821, 1073463, 6798599, 20395797]

約数ペア:

[(1, 20395797), (3, 6798599), (19, 1073463), (57, 357821), (179, 113943), (537, 37981), (1999, 10203), (3401, 5997)]