20802795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106681}}^1$

素因数の和:106702

約数の個数: 16

約数和(自身を含む): 35845152

約数和(自身を除く): 15042357

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 106681, 320043, 533405, 1386853, 1600215, 4160559, 6934265, 20802795]

約数ペア:

[(1, 20802795), (3, 6934265), (5, 4160559), (13, 1600215), (15, 1386853), (39, 533405), (65, 320043), (195, 106681)]