20464719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36479}}^1$

素因数の和:36510

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11054001

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36479, 109437, 401269, 620143, 1203807, 1860429, 6821573, 20464719]

約数ペア:

[(1, 20464719), (3, 6821573), (11, 1860429), (17, 1203807), (33, 620143), (51, 401269), (187, 109437), (561, 36479)]