20805127799

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1\times {\mathrm{7789}}^1$

素因数の和:10090

約数の個数: 16

約数和(自身を含む): 22352189760

約数和(自身を除く): 1547061961

約数列:

[1, 17, 71, 1207, 2213, 7789, 37621, 132413, 157123, 553019, 2671091, 9401323, 17237057, 293029969, 1223831047, 20805127799]

約数ペア:

[(1, 20805127799), (17, 1223831047), (71, 293029969), (1207, 17237057), (2213, 9401323), (7789, 2671091), (37621, 553019), (132413, 157123)]