20104261639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{15121}}^1$

素因数の和:15727

約数の個数: 32

約数和(自身を含む): 25921769472

約数和(自身を除く): 5817507833

約数列:

[1, 7, 11, 31, 77, 217, 341, 557, 2387, 3899, 6127, 15121, 17267, 42889, 105847, 120869, 166331, 189937, 468751, 1164317, 1329559, 3281257, 5156261, 8422397, 36093827, 58956779, 92646367, 261094307, 648524569, 1827660149, 2872037377, 20104261639]

約数ペア:

[(1, 20104261639), (7, 2872037377), (11, 1827660149), (31, 648524569), (77, 261094307), (217, 92646367), (341, 58956779), (557, 36093827), (2387, 8422397), (3899, 5156261), (6127, 3281257), (15121, 1329559), (17267, 1164317), (42889, 468751), (105847, 189937), (120869, 166331)]