20849864

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5557}}^1$

素因数の和:5637

約数の個数: 32

約数和(自身を含む): 45353280

約数和(自身を除く): 24503416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5557, 11114, 22228, 38899, 44456, 77798, 155596, 311192, 372319, 744638, 1489276, 2606233, 2978552, 5212466, 10424932, 20849864]

約数ペア:

[(1, 20849864), (2, 10424932), (4, 5212466), (7, 2978552), (8, 2606233), (14, 1489276), (28, 744638), (56, 372319), (67, 311192), (134, 155596), (268, 77798), (469, 44456), (536, 38899), (938, 22228), (1876, 11114), (3752, 5557)]