20180778079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{15797}}^1$

素因数の和:16215

約数の個数: 32

約数和(自身を含む): 25770203136

約数和(自身を除く): 5589425057

約数列:

[1, 7, 11, 47, 77, 329, 353, 517, 2471, 3619, 3883, 15797, 16591, 27181, 110579, 116137, 173767, 182501, 742459, 1216369, 1277507, 5197213, 5576341, 8167049, 39034387, 57169343, 61339751, 262088027, 429378257, 1834616189, 2882968297, 20180778079]

約数ペア:

[(1, 20180778079), (7, 2882968297), (11, 1834616189), (47, 429378257), (77, 262088027), (329, 61339751), (353, 57169343), (517, 39034387), (2471, 8167049), (3619, 5576341), (3883, 5197213), (15797, 1277507), (16591, 1216369), (27181, 742459), (110579, 182501), (116137, 173767)]