20218325721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{16691}}^1$

素因数の和:16834

約数の個数: 48

約数和(自身を含む): 30689777664

約数和(自身を除く): 10471451943

約数列:

[1, 3, 11, 33, 47, 71, 121, 141, 213, 363, 517, 781, 1551, 2343, 3337, 5687, 8591, 10011, 16691, 17061, 25773, 36707, 50073, 110121, 183601, 403777, 550803, 784477, 1185061, 1211331, 2019611, 2353431, 3555183, 6058833, 8629247, 13035671, 25887741, 39107013, 55697867, 94921717, 143392381, 167093601, 284765151, 430177143, 612676537, 1838029611, 6739441907, 20218325721]

約数ペア:

[(1, 20218325721), (3, 6739441907), (11, 1838029611), (33, 612676537), (47, 430177143), (71, 284765151), (121, 167093601), (141, 143392381), (213, 94921717), (363, 55697867), (517, 39107013), (781, 25887741), (1551, 13035671), (2343, 8629247), (3337, 6058833), (5687, 3555183), (8591, 2353431), (10011, 2019611), (16691, 1211331), (17061, 1185061), (25773, 784477), (36707, 550803), (50073, 403777), (110121, 183601)]