20535788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56417}}^1$

素因数の和:56441

約数の個数: 24

約数和(自身を含む): 44231712

約数和(自身を除く): 23695924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56417, 112834, 225668, 394919, 733421, 789838, 1466842, 1579676, 2933684, 5133947, 10267894, 20535788]

約数ペア:

[(1, 20535788), (2, 10267894), (4, 5133947), (7, 2933684), (13, 1579676), (14, 1466842), (26, 789838), (28, 733421), (52, 394919), (91, 225668), (182, 112834), (364, 56417)]