20680184

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2819}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 23988616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2819, 3668, 5638, 7336, 11276, 19733, 22552, 39466, 78932, 157864, 369289, 738578, 1477156, 2585023, 2954312, 5170046, 10340092, 20680184]

約数ペア:

[(1, 20680184), (2, 10340092), (4, 5170046), (7, 2954312), (8, 2585023), (14, 1477156), (28, 738578), (56, 369289), (131, 157864), (262, 78932), (524, 39466), (917, 22552), (1048, 19733), (1834, 11276), (2819, 7336), (3668, 5638)]