20283999

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4027}}^1$

素因数の和:4126

約数の個数: 16

約数和(自身を含む): 28614912

約数和(自身を除く): 8330913

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4027, 5037, 12081, 92621, 277863, 293971, 881913, 6761333, 20283999]

約数ペア:

[(1, 20283999), (3, 6761333), (23, 881913), (69, 293971), (73, 277863), (219, 92621), (1679, 12081), (4027, 5037)]