20755492077481

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{3559}}^1$

素因数の和:4171

約数の個数: 96

約数和(自身を含む): 25378311552000

約数和(自身を除く): 4622819474519

約数列:

[1, 7, 43, 49, 67, 109, 301, 379, 469, 763, 2107, 2653, 2881, 3283, 3559, 4687, 5341, 7303, 16297, 18571, 20167, 24913, 25393, 32809, 41311, 51121, 114079, 141169, 153037, 174391, 177751, 229663, 238453, 289177, 314029, 357847, 387931, 798553, 1071259, 1091899, 1244257, 1348861, 1669171, 1776373, 2024239, 2198203, 2715517, 2767837, 7498813, 7643293, 9442027, 10253479, 11684197, 12434611, 15387421, 16681033, 19008619, 19374859, 25991377, 53503051, 58001023, 66094189, 71774353, 87042277, 90373687, 116767231, 119016991, 135624013, 147025849, 181939639, 406007161, 502420471, 632615809, 817370617, 833118937, 1029180943, 1117629211, 1273577473, 2842050127, 3886068541, 4428310663, 5831832559, 6322111507, 7204266601, 7823404477, 9850731883, 27202479787, 44254780549, 54763831339, 68955123181, 190417358509, 309783463843, 423581470969, 482685862267, 2965070296783, 20755492077481]

約数ペア:

[(1, 20755492077481), (7, 2965070296783), (43, 482685862267), (49, 423581470969), (67, 309783463843), (109, 190417358509), (301, 68955123181), (379, 54763831339), (469, 44254780549), (763, 27202479787), (2107, 9850731883), (2653, 7823404477), (2881, 7204266601), (3283, 6322111507), (3559, 5831832559), (4687, 4428310663), (5341, 3886068541), (7303, 2842050127), (16297, 1273577473), (18571, 1117629211), (20167, 1029180943), (24913, 833118937), (25393, 817370617), (32809, 632615809), (41311, 502420471), (51121, 406007161), (114079, 181939639), (141169, 147025849), (153037, 135624013), (174391, 119016991), (177751, 116767231), (229663, 90373687), (238453, 87042277), (289177, 71774353), (314029, 66094189), (357847, 58001023), (387931, 53503051), (798553, 25991377), (1071259, 19374859), (1091899, 19008619), (1244257, 16681033), (1348861, 15387421), (1669171, 12434611), (1776373, 11684197), (2024239, 10253479), (2198203, 9442027), (2715517, 7643293), (2767837, 7498813)]