20178572416

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1302

約数の個数: 128

約数和(自身を含む): 43739688960

約数和(自身を除く): 23561116544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 191, 272, 376, 382, 544, 752, 764, 799, 1033, 1088, 1504, 1528, 1598, 2066, 2176, 3008, 3056, 3196, 3247, 4132, 6016, 6112, 6392, 6494, 8264, 8977, 12224, 12784, 12988, 16528, 17561, 17954, 24448, 25568, 25976, 33056, 35122, 35908, 48551, 51136, 51952, 66112, 70244, 71816, 97102, 102272, 103904, 132224, 140488, 143632, 152609, 194204, 197303, 207808, 280976, 287264, 305218, 388408, 394606, 415616, 561952, 574528, 610436, 776816, 789212, 825367, 1123904, 1149056, 1220872, 1553632, 1578424, 1650734, 2247808, 2441744, 3107264, 3156848, 3301468, 3354151, 4883488, 6214528, 6313696, 6602936, 6708302, 9273241, 9766976, 12627392, 13205872, 13416604, 18546482, 19533952, 25254784, 26411744, 26833208, 37092964, 52823488, 53666416, 74185928, 105646976, 107332832, 148371856, 157645097, 214665664, 296743712, 315290194, 429331328, 593487424, 630580388, 1186974848, 1261160776, 2522321552, 5044643104, 10089286208, 20178572416]

約数ペア:

[(1, 20178572416), (2, 10089286208), (4, 5044643104), (8, 2522321552), (16, 1261160776), (17, 1186974848), (32, 630580388), (34, 593487424), (47, 429331328), (64, 315290194), (68, 296743712), (94, 214665664), (128, 157645097), (136, 148371856), (188, 107332832), (191, 105646976), (272, 74185928), (376, 53666416), (382, 52823488), (544, 37092964), (752, 26833208), (764, 26411744), (799, 25254784), (1033, 19533952), (1088, 18546482), (1504, 13416604), (1528, 13205872), (1598, 12627392), (2066, 9766976), (2176, 9273241), (3008, 6708302), (3056, 6602936), (3196, 6313696), (3247, 6214528), (4132, 4883488), (6016, 3354151), (6112, 3301468), (6392, 3156848), (6494, 3107264), (8264, 2441744), (8977, 2247808), (12224, 1650734), (12784, 1578424), (12988, 1553632), (16528, 1220872), (17561, 1149056), (17954, 1123904), (24448, 825367), (25568, 789212), (25976, 776816), (33056, 610436), (35122, 574528), (35908, 561952), (48551, 415616), (51136, 394606), (51952, 388408), (66112, 305218), (70244, 287264), (71816, 280976), (97102, 207808), (102272, 197303), (103904, 194204), (132224, 152609), (140488, 143632)]