20129580779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{19441}}^1$

素因数の和:19596

約数の個数: 48

約数和(自身を含む): 27288169056

約数和(自身を除く): 7158588277

約数列:

[1, 7, 11, 17, 49, 77, 113, 119, 187, 539, 791, 833, 1243, 1309, 1921, 5537, 8701, 9163, 13447, 19441, 21131, 60907, 94129, 136087, 147917, 213851, 330497, 952609, 1035419, 1496957, 2196833, 2313479, 3635467, 10478699, 15377831, 16194353, 24165163, 25448269, 37346161, 107644817, 169156141, 178137883, 261423127, 410807771, 1184092987, 1829961889, 2875654397, 20129580779]

約数ペア:

[(1, 20129580779), (7, 2875654397), (11, 1829961889), (17, 1184092987), (49, 410807771), (77, 261423127), (113, 178137883), (119, 169156141), (187, 107644817), (539, 37346161), (791, 25448269), (833, 24165163), (1243, 16194353), (1309, 15377831), (1921, 10478699), (5537, 3635467), (8701, 2313479), (9163, 2196833), (13447, 1496957), (19441, 1035419), (21131, 952609), (60907, 330497), (94129, 213851), (136087, 147917)]