20512606738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{43789}}^1$

素因数の和:44266

約数の個数: 32

約数和(自身を含む): 33988046400

約数和(自身を除く): 13475439662

約数列:

[1, 2, 13, 26, 43, 86, 419, 559, 838, 1118, 5447, 10894, 18017, 36034, 43789, 87578, 234221, 468442, 569257, 1138514, 1882927, 3765854, 18347591, 24478051, 36695182, 48956102, 238518683, 477037366, 788946413, 1577892826, 10256303369, 20512606738]

約数ペア:

[(1, 20512606738), (2, 10256303369), (13, 1577892826), (26, 788946413), (43, 477037366), (86, 238518683), (419, 48956102), (559, 36695182), (838, 24478051), (1118, 18347591), (5447, 3765854), (10894, 1882927), (18017, 1138514), (36034, 569257), (43789, 468442), (87578, 234221)]