20718054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164429}}^1$

素因数の和:164444

約数の個数: 24

約数和(自身を含む): 51302160

約数和(自身を除く): 30584106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164429, 328858, 493287, 986574, 1151003, 1479861, 2302006, 2959722, 3453009, 6906018, 10359027, 20718054]

約数ペア:

[(1, 20718054), (2, 10359027), (3, 6906018), (6, 3453009), (7, 2959722), (9, 2302006), (14, 1479861), (18, 1151003), (21, 986574), (42, 493287), (63, 328858), (126, 164429)]