20370339

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 33281280

約数和(自身を除く): 12910941

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 641, 963, 1177, 1923, 2889, 3531, 5769, 7051, 10593, 17307, 21153, 31779, 63459, 68587, 190377, 205761, 617283, 754457, 1851849, 2263371, 6790113, 20370339]

約数ペア:

[(1, 20370339), (3, 6790113), (9, 2263371), (11, 1851849), (27, 754457), (33, 617283), (99, 205761), (107, 190377), (297, 68587), (321, 63459), (641, 31779), (963, 21153), (1177, 17307), (1923, 10593), (2889, 7051), (3531, 5769)]