20805363

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33503}}^1$

素因数の和:33535

約数の個数: 16

約数和(自身を含む): 32163840

約数和(自身を除く): 11358477

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33503, 100509, 301527, 770569, 904581, 2311707, 6935121, 20805363]

約数ペア:

[(1, 20805363), (3, 6935121), (9, 2311707), (23, 904581), (27, 770569), (69, 301527), (207, 100509), (621, 33503)]