20719244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56921}}^1$

素因数の和:56945

約数の個数: 24

約数和(自身を含む): 44626848

約数和(自身を除く): 23907604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56921, 113842, 227684, 398447, 739973, 796894, 1479946, 1593788, 2959892, 5179811, 10359622, 20719244]

約数ペア:

[(1, 20719244), (2, 10359622), (4, 5179811), (7, 2959892), (13, 1593788), (14, 1479946), (26, 796894), (28, 739973), (52, 398447), (91, 227684), (182, 113842), (364, 56921)]