20052956

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 45505152

約数和(自身を除く): 25452196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 131, 142, 154, 196, 262, 284, 308, 497, 524, 539, 781, 917, 994, 1078, 1441, 1562, 1834, 1988, 2156, 2882, 3124, 3479, 3668, 5467, 5764, 6419, 6958, 9301, 10087, 10934, 12838, 13916, 18602, 20174, 21868, 25676, 37204, 38269, 40348, 65107, 70609, 76538, 102311, 130214, 141218, 153076, 204622, 260428, 282436, 409244, 455749, 716177, 911498, 1432354, 1822996, 2864708, 5013239, 10026478, 20052956]

約数ペア:

[(1, 20052956), (2, 10026478), (4, 5013239), (7, 2864708), (11, 1822996), (14, 1432354), (22, 911498), (28, 716177), (44, 455749), (49, 409244), (71, 282436), (77, 260428), (98, 204622), (131, 153076), (142, 141218), (154, 130214), (196, 102311), (262, 76538), (284, 70609), (308, 65107), (497, 40348), (524, 38269), (539, 37204), (781, 25676), (917, 21868), (994, 20174), (1078, 18602), (1441, 13916), (1562, 12838), (1834, 10934), (1988, 10087), (2156, 9301), (2882, 6958), (3124, 6419), (3479, 5764), (3668, 5467)]