20138885104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{3541}}^1$

素因数の和:4338

約数の個数: 80

約数和(自身を含む): 43226851360

約数和(自身を除く): 23087966256

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 739, 962, 1478, 1924, 2956, 3541, 3848, 5912, 7082, 7696, 9607, 11824, 14164, 19214, 27343, 28328, 38428, 46033, 54686, 56656, 76856, 92066, 109372, 131017, 153712, 184132, 218744, 262034, 355459, 368264, 437488, 524068, 710918, 736528, 1048136, 1421836, 1703221, 2096272, 2616799, 2843672, 3406442, 5233598, 5687344, 6812884, 10467196, 13625768, 20934392, 27251536, 34018387, 41868784, 68036774, 96821563, 136073548, 193643126, 272147096, 387286252, 544294192, 774572504, 1258680319, 1549145008, 2517360638, 5034721276, 10069442552, 20138885104]

約数ペア:

[(1, 20138885104), (2, 10069442552), (4, 5034721276), (8, 2517360638), (13, 1549145008), (16, 1258680319), (26, 774572504), (37, 544294192), (52, 387286252), (74, 272147096), (104, 193643126), (148, 136073548), (208, 96821563), (296, 68036774), (481, 41868784), (592, 34018387), (739, 27251536), (962, 20934392), (1478, 13625768), (1924, 10467196), (2956, 6812884), (3541, 5687344), (3848, 5233598), (5912, 3406442), (7082, 2843672), (7696, 2616799), (9607, 2096272), (11824, 1703221), (14164, 1421836), (19214, 1048136), (27343, 736528), (28328, 710918), (38428, 524068), (46033, 437488), (54686, 368264), (56656, 355459), (76856, 262034), (92066, 218744), (109372, 184132), (131017, 153712)]