20355244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55921}}^1$

素因数の和:55945

約数の個数: 24

約数和(自身を含む): 43842848

約数和(自身を除く): 23487604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55921, 111842, 223684, 391447, 726973, 782894, 1453946, 1565788, 2907892, 5088811, 10177622, 20355244]

約数ペア:

[(1, 20355244), (2, 10177622), (4, 5088811), (7, 2907892), (13, 1565788), (14, 1453946), (26, 782894), (28, 726973), (52, 391447), (91, 223684), (182, 111842), (364, 55921)]