20791683

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 12305277

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 2039, 3399, 6117, 10197, 18351, 22429, 67287, 201861, 210017, 630051, 1890153, 2310187, 6930561, 20791683]

約数ペア:

[(1, 20791683), (3, 6930561), (9, 2310187), (11, 1890153), (33, 630051), (99, 210017), (103, 201861), (309, 67287), (927, 22429), (1133, 18351), (2039, 10197), (3399, 6117)]