20203959

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 8020041

約数列:

[1, 3, 23, 69, 349, 839, 1047, 2517, 8027, 19297, 24081, 57891, 292811, 878433, 6734653, 20203959]

約数ペア:

[(1, 20203959), (3, 6734653), (23, 878433), (69, 292811), (349, 57891), (839, 24081), (1047, 19297), (2517, 8027)]