20178453952

素因数分解:

$2^6\times {\mathrm{313}}^1\times {\mathrm{509}}^1\times {\mathrm{1979}}^1$

素因数の和:2813

約数の個数: 56

約数和(自身を含む): 40268804400

約数和(自身を除く): 20090350448

約数列:

[1, 2, 4, 8, 16, 32, 64, 313, 509, 626, 1018, 1252, 1979, 2036, 2504, 3958, 4072, 5008, 7916, 8144, 10016, 15832, 16288, 20032, 31664, 32576, 63328, 126656, 159317, 318634, 619427, 637268, 1007311, 1238854, 1274536, 2014622, 2477708, 2549072, 4029244, 4955416, 5098144, 8058488, 9910832, 10196288, 16116976, 19821664, 32233952, 39643328, 64467904, 315288343, 630576686, 1261153372, 2522306744, 5044613488, 10089226976, 20178453952]

約数ペア:

[(1, 20178453952), (2, 10089226976), (4, 5044613488), (8, 2522306744), (16, 1261153372), (32, 630576686), (64, 315288343), (313, 64467904), (509, 39643328), (626, 32233952), (1018, 19821664), (1252, 16116976), (1979, 10196288), (2036, 9910832), (2504, 8058488), (3958, 5098144), (4072, 4955416), (5008, 4029244), (7916, 2549072), (8144, 2477708), (10016, 2014622), (15832, 1274536), (16288, 1238854), (20032, 1007311), (31664, 637268), (32576, 619427), (63328, 318634), (126656, 159317)]