20040902

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5527}}^1$

素因数の和:5580

約数の個数: 24

約数和(自身を含む): 35920944

約数和(自身を除く): 15880042

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5527, 11054, 38689, 77378, 204499, 270823, 408998, 541646, 1431493, 2862986, 10020451, 20040902]

約数ペア:

[(1, 20040902), (2, 10020451), (7, 2862986), (14, 1431493), (37, 541646), (49, 408998), (74, 270823), (98, 204499), (259, 77378), (518, 38689), (1813, 11054), (3626, 5527)]