20786883

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7507}}^1$

素因数の和:7594

約数の個数: 16

約数和(自身を含む): 30272256

約数和(自身を除く): 9485373

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7507, 22521, 97591, 292773, 532997, 1598991, 6928961, 20786883]

約数ペア:

[(1, 20786883), (3, 6928961), (13, 1598991), (39, 532997), (71, 292773), (213, 97591), (923, 22521), (2769, 7507)]