20587248

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 64589616

約数和(自身を除く): 44002368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 41, 44, 48, 66, 72, 82, 88, 99, 123, 132, 144, 164, 176, 198, 246, 264, 317, 328, 369, 396, 451, 492, 528, 634, 656, 738, 792, 902, 951, 984, 1268, 1353, 1476, 1584, 1804, 1902, 1968, 2536, 2706, 2853, 2952, 3487, 3608, 3804, 4059, 5072, 5412, 5706, 5904, 6974, 7216, 7608, 8118, 10461, 10824, 11412, 12997, 13948, 15216, 16236, 20922, 21648, 22824, 25994, 27896, 31383, 32472, 38991, 41844, 45648, 51988, 55792, 62766, 64944, 77982, 83688, 103976, 116973, 125532, 142967, 155964, 167376, 207952, 233946, 251064, 285934, 311928, 428901, 467892, 502128, 571868, 623856, 857802, 935784, 1143736, 1286703, 1715604, 1871568, 2287472, 2573406, 3431208, 5146812, 6862416, 10293624, 20587248]

約数ペア:

[(1, 20587248), (2, 10293624), (3, 6862416), (4, 5146812), (6, 3431208), (8, 2573406), (9, 2287472), (11, 1871568), (12, 1715604), (16, 1286703), (18, 1143736), (22, 935784), (24, 857802), (33, 623856), (36, 571868), (41, 502128), (44, 467892), (48, 428901), (66, 311928), (72, 285934), (82, 251064), (88, 233946), (99, 207952), (123, 167376), (132, 155964), (144, 142967), (164, 125532), (176, 116973), (198, 103976), (246, 83688), (264, 77982), (317, 64944), (328, 62766), (369, 55792), (396, 51988), (451, 45648), (492, 41844), (528, 38991), (634, 32472), (656, 31383), (738, 27896), (792, 25994), (902, 22824), (951, 21648), (984, 20922), (1268, 16236), (1353, 15216), (1476, 13948), (1584, 12997), (1804, 11412), (1902, 10824), (1968, 10461), (2536, 8118), (2706, 7608), (2853, 7216), (2952, 6974), (3487, 5904), (3608, 5706), (3804, 5412), (4059, 5072)]