20387361

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15551}}^1$

素因数の和:15596

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 9472479

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15551, 46653, 295469, 357673, 886407, 1073019, 6795787, 20387361]

約数ペア:

[(1, 20387361), (3, 6795787), (19, 1073019), (23, 886407), (57, 357673), (69, 295469), (437, 46653), (1311, 15551)]