20120681693

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{304393}}^1$

素因数の和:304497

約数の個数: 24

約数和(自身を含む): 24984659520

約数和(自身を除く): 4863977827

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 3479, 9443, 66101, 304393, 2130751, 5783467, 14915257, 21611903, 40484269, 151283321, 283389883, 410626157, 1058983247, 2874383099, 20120681693]

約数ペア:

[(1, 20120681693), (7, 2874383099), (19, 1058983247), (49, 410626157), (71, 283389883), (133, 151283321), (497, 40484269), (931, 21611903), (1349, 14915257), (3479, 5783467), (9443, 2130751), (66101, 304393)]