20890087488

素因数分解:

$2^6\times 3^3\times {\mathrm{181}}^1\times {\mathrm{66791}}^1$

素因数の和:66993

約数の個数: 112

約数和(自身を含む): 61753211520

約数和(自身を除く): 40863124032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 181, 192, 216, 288, 362, 432, 543, 576, 724, 864, 1086, 1448, 1629, 1728, 2172, 2896, 3258, 4344, 4887, 5792, 6516, 8688, 9774, 11584, 13032, 17376, 19548, 26064, 34752, 39096, 52128, 66791, 78192, 104256, 133582, 156384, 200373, 267164, 312768, 400746, 534328, 601119, 801492, 1068656, 1202238, 1602984, 1803357, 2137312, 2404476, 3205968, 3606714, 4274624, 4808952, 6411936, 7213428, 9617904, 12089171, 12823872, 14426856, 19235808, 24178342, 28853712, 36267513, 38471616, 48356684, 57707424, 72535026, 96713368, 108802539, 115414848, 145070052, 193426736, 217605078, 290140104, 326407617, 386853472, 435210156, 580280208, 652815234, 773706944, 870420312, 1160560416, 1305630468, 1740840624, 2321120832, 2611260936, 3481681248, 5222521872, 6963362496, 10445043744, 20890087488]

約数ペア:

[(1, 20890087488), (2, 10445043744), (3, 6963362496), (4, 5222521872), (6, 3481681248), (8, 2611260936), (9, 2321120832), (12, 1740840624), (16, 1305630468), (18, 1160560416), (24, 870420312), (27, 773706944), (32, 652815234), (36, 580280208), (48, 435210156), (54, 386853472), (64, 326407617), (72, 290140104), (96, 217605078), (108, 193426736), (144, 145070052), (181, 115414848), (192, 108802539), (216, 96713368), (288, 72535026), (362, 57707424), (432, 48356684), (543, 38471616), (576, 36267513), (724, 28853712), (864, 24178342), (1086, 19235808), (1448, 14426856), (1629, 12823872), (1728, 12089171), (2172, 9617904), (2896, 7213428), (3258, 6411936), (4344, 4808952), (4887, 4274624), (5792, 3606714), (6516, 3205968), (8688, 2404476), (9774, 2137312), (11584, 1803357), (13032, 1602984), (17376, 1202238), (19548, 1068656), (26064, 801492), (34752, 601119), (39096, 534328), (52128, 400746), (66791, 312768), (78192, 267164), (104256, 200373), (133582, 156384)]