20530552

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 23710568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1861, 2758, 3722, 5516, 7444, 11032, 13027, 14888, 26054, 52108, 104216, 366617, 733234, 1466468, 2566319, 2932936, 5132638, 10265276, 20530552]

約数ペア:

[(1, 20530552), (2, 10265276), (4, 5132638), (7, 2932936), (8, 2566319), (14, 1466468), (28, 733234), (56, 366617), (197, 104216), (394, 52108), (788, 26054), (1379, 14888), (1576, 13027), (1861, 11032), (2758, 7444), (3722, 5516)]