20486816

素因数分解:

$2^5\times 7^1\times {\mathrm{91459}}^1$

素因数の和:91476

約数の個数: 24

約数和(自身を含む): 46095840

約数和(自身を除く): 25609024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91459, 182918, 365836, 640213, 731672, 1280426, 1463344, 2560852, 2926688, 5121704, 10243408, 20486816]

約数ペア:

[(1, 20486816), (2, 10243408), (4, 5121704), (7, 2926688), (8, 2560852), (14, 1463344), (16, 1280426), (28, 731672), (32, 640213), (56, 365836), (112, 182918), (224, 91459)]