20936476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4447}}^1$

素因数の和:4569

約数の個数: 24

約数和(自身を含む): 40352256

約数和(自身を除く): 19415780

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4447, 4708, 8894, 17788, 48917, 97834, 195668, 475829, 951658, 1903316, 5234119, 10468238, 20936476]

約数ペア:

[(1, 20936476), (2, 10468238), (4, 5234119), (11, 1903316), (22, 951658), (44, 475829), (107, 195668), (214, 97834), (428, 48917), (1177, 17788), (2354, 8894), (4447, 4708)]