20928754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3673}}^1$

素因数の和:3730

約数の個数: 32

約数和(自身を含む): 40208256

約数和(自身を除く): 19279502

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3673, 5698, 7346, 25711, 40403, 51422, 80806, 135901, 271802, 282821, 565642, 951307, 1494911, 1902614, 2989822, 10464377, 20928754]

約数ペア:

[(1, 20928754), (2, 10464377), (7, 2989822), (11, 1902614), (14, 1494911), (22, 951307), (37, 565642), (74, 282821), (77, 271802), (154, 135901), (259, 80806), (407, 51422), (518, 40403), (814, 25711), (2849, 7346), (3673, 5698)]