20618769

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 27936000

約数和(自身を除く): 7317231

約数列:

[1, 3, 149, 193, 239, 447, 579, 717, 28757, 35611, 46127, 86271, 106833, 138381, 6872923, 20618769]

約数ペア:

[(1, 20618769), (3, 6872923), (149, 138381), (193, 106833), (239, 86271), (447, 46127), (579, 35611), (717, 28757)]