20478051

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1579}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 32535360

約数和(自身を除く): 12057309

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1441, 1579, 4323, 4737, 12969, 14211, 17369, 52107, 156321, 206849, 620547, 1861641, 2275339, 6826017, 20478051]

約数ペア:

[(1, 20478051), (3, 6826017), (9, 2275339), (11, 1861641), (33, 620547), (99, 206849), (131, 156321), (393, 52107), (1179, 17369), (1441, 14211), (1579, 12969), (4323, 4737)]