20356479

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15817}}^1$

素因数の和:15847

約数の個数: 24

約数和(自身を含む): 34546512

約数和(自身を除く): 14190033

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15817, 47451, 142353, 173987, 205621, 521961, 616863, 1565883, 1850589, 2261831, 6785493, 20356479]

約数ペア:

[(1, 20356479), (3, 6785493), (9, 2261831), (11, 1850589), (13, 1565883), (33, 616863), (39, 521961), (99, 205621), (117, 173987), (143, 142353), (429, 47451), (1287, 15817)]