20567708

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19853}}^1$

素因数の和:19901

約数の個数: 24

約数和(自身を含む): 42249312

約数和(自身を除く): 21681604

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19853, 39706, 79412, 138971, 277942, 555884, 734561, 1469122, 2938244, 5141927, 10283854, 20567708]

約数ペア:

[(1, 20567708), (2, 10283854), (4, 5141927), (7, 2938244), (14, 1469122), (28, 734561), (37, 555884), (74, 277942), (148, 138971), (259, 79412), (518, 39706), (1036, 19853)]