20207547

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 31213728

約数和(自身を除く): 11006181

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2381, 2829, 7143, 8487, 21429, 54763, 97621, 164289, 292863, 492867, 878589, 2245283, 6735849, 20207547]

約数ペア:

[(1, 20207547), (3, 6735849), (9, 2245283), (23, 878589), (41, 492867), (69, 292863), (123, 164289), (207, 97621), (369, 54763), (943, 21429), (2381, 8487), (2829, 7143)]