20176387

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 26745768

約数和(自身を除く): 6569381

約数列:

[1, 7, 11, 41, 49, 77, 83, 121, 287, 451, 539, 581, 847, 913, 2009, 3157, 3403, 4067, 4961, 5929, 6391, 10043, 22099, 23821, 34727, 37433, 44737, 70301, 166747, 243089, 262031, 411763, 492107, 1834217, 2882341, 20176387]

約数ペア:

[(1, 20176387), (7, 2882341), (11, 1834217), (41, 492107), (49, 411763), (77, 262031), (83, 243089), (121, 166747), (287, 70301), (451, 44737), (539, 37433), (581, 34727), (847, 23821), (913, 22099), (2009, 10043), (3157, 6391), (3403, 5929), (4067, 4961)]