20823519

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 28650240

約数和(自身を除く): 7826721

約数列:

[1, 3, 59, 71, 177, 213, 1657, 4189, 4971, 12567, 97763, 117647, 293289, 352941, 6941173, 20823519]

約数ペア:

[(1, 20823519), (3, 6941173), (59, 352941), (71, 293289), (177, 117647), (213, 97763), (1657, 12567), (4189, 4971)]