20348832945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{3301}}^1\times {\mathrm{8387}}^1$

素因数の和:11710

約数の個数: 48

約数和(自身を含む): 37889736768

約数和(自身を除く): 17540903823

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 3301, 8387, 9903, 16505, 23107, 25161, 41935, 49515, 58709, 69321, 115535, 125805, 161749, 176127, 293545, 346605, 410963, 485247, 808745, 880635, 1232889, 2054815, 2426235, 6164445, 27685487, 83056461, 138427435, 193798409, 415282305, 581395227, 968992045, 1356588863, 2906976135, 4069766589, 6782944315, 20348832945]

約数ペア:

[(1, 20348832945), (3, 6782944315), (5, 4069766589), (7, 2906976135), (15, 1356588863), (21, 968992045), (35, 581395227), (49, 415282305), (105, 193798409), (147, 138427435), (245, 83056461), (735, 27685487), (3301, 6164445), (8387, 2426235), (9903, 2054815), (16505, 1232889), (23107, 880635), (25161, 808745), (41935, 485247), (49515, 410963), (58709, 346605), (69321, 293545), (115535, 176127), (125805, 161749)]