20337990512

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{514417}}^1$

素因数の和:514785

約数の個数: 40

約数和(自身を含む): 45161785056

約数和(自身を除く): 24823794544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 706, 1412, 2471, 2824, 4942, 5648, 9884, 19768, 39536, 514417, 1028834, 2057668, 3600919, 4115336, 7201838, 8230672, 14403676, 28807352, 57614704, 181589201, 363178402, 726356804, 1271124407, 1452713608, 2542248814, 2905427216, 5084497628, 10168995256, 20337990512]

約数ペア:

[(1, 20337990512), (2, 10168995256), (4, 5084497628), (7, 2905427216), (8, 2542248814), (14, 1452713608), (16, 1271124407), (28, 726356804), (56, 363178402), (112, 181589201), (353, 57614704), (706, 28807352), (1412, 14403676), (2471, 8230672), (2824, 7201838), (4942, 4115336), (5648, 3600919), (9884, 2057668), (19768, 1028834), (39536, 514417)]