20365156952

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{851671}}^1$

素因数の和:851752

約数の個数: 48

約数和(自身を含む): 45147132720

約数和(自身を除く): 24781975768

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 392, 427, 488, 854, 1708, 2989, 3416, 5978, 11956, 23912, 851671, 1703342, 3406684, 5961697, 6813368, 11923394, 23846788, 41731879, 47693576, 51951931, 83463758, 103903862, 166927516, 207807724, 333855032, 363663517, 415615448, 727327034, 1454654068, 2545644619, 2909308136, 5091289238, 10182578476, 20365156952]

約数ペア:

[(1, 20365156952), (2, 10182578476), (4, 5091289238), (7, 2909308136), (8, 2545644619), (14, 1454654068), (28, 727327034), (49, 415615448), (56, 363663517), (61, 333855032), (98, 207807724), (122, 166927516), (196, 103903862), (244, 83463758), (392, 51951931), (427, 47693576), (488, 41731879), (854, 23846788), (1708, 11923394), (2989, 6813368), (3416, 5961697), (5978, 3406684), (11956, 1703342), (23912, 851671)]