20903259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{883}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 30098432

約数和(自身を除く): 9195173

約数列:

[1, 3, 13, 39, 607, 883, 1821, 2649, 7891, 11479, 23673, 34437, 535981, 1607943, 6967753, 20903259]

約数ペア:

[(1, 20903259), (3, 6967753), (13, 1607943), (39, 535981), (607, 34437), (883, 23673), (1821, 11479), (2649, 7891)]