20147781269

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1193}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 25692893184

約数和(自身を除く): 5545111915

約数列:

[1, 7, 11, 77, 121, 127, 157, 847, 889, 1099, 1193, 1397, 1727, 8351, 9779, 12089, 13123, 15367, 18997, 19939, 91861, 107569, 132979, 139573, 144353, 151511, 187301, 219329, 1010471, 1060577, 1311107, 1535303, 1666621, 2060311, 2412619, 11666347, 14422177, 16888333, 18332831, 22663421, 23787227, 128329817, 158643947, 166510589, 261659497, 1831616479, 2878254467, 20147781269]

約数ペア:

[(1, 20147781269), (7, 2878254467), (11, 1831616479), (77, 261659497), (121, 166510589), (127, 158643947), (157, 128329817), (847, 23787227), (889, 22663421), (1099, 18332831), (1193, 16888333), (1397, 14422177), (1727, 11666347), (8351, 2412619), (9779, 2060311), (12089, 1666621), (13123, 1535303), (15367, 1311107), (18997, 1060577), (19939, 1010471), (91861, 219329), (107569, 187301), (132979, 151511), (139573, 144353)]