20808733456

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{5099}}^1$

素因数の和:5636

約数の個数: 80

約数和(自身を含む): 46747008000

約数和(自身を除く): 25938274544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 439, 581, 664, 878, 1162, 1328, 1756, 2324, 3073, 3512, 4648, 5099, 6146, 7024, 9296, 10198, 12292, 20396, 24584, 35693, 36437, 40792, 49168, 71386, 72874, 81584, 142772, 145748, 255059, 285544, 291496, 423217, 510118, 571088, 582992, 846434, 1020236, 1692868, 2040472, 2238461, 2962519, 3385736, 4080944, 4476922, 5925038, 6771472, 8953844, 11850076, 15669227, 17907688, 23700152, 31338454, 35815376, 47400304, 62676908, 125353816, 185792263, 250707632, 371584526, 743169052, 1300545841, 1486338104, 2601091682, 2972676208, 5202183364, 10404366728, 20808733456]

約数ペア:

[(1, 20808733456), (2, 10404366728), (4, 5202183364), (7, 2972676208), (8, 2601091682), (14, 1486338104), (16, 1300545841), (28, 743169052), (56, 371584526), (83, 250707632), (112, 185792263), (166, 125353816), (332, 62676908), (439, 47400304), (581, 35815376), (664, 31338454), (878, 23700152), (1162, 17907688), (1328, 15669227), (1756, 11850076), (2324, 8953844), (3073, 6771472), (3512, 5925038), (4648, 4476922), (5099, 4080944), (6146, 3385736), (7024, 2962519), (9296, 2238461), (10198, 2040472), (12292, 1692868), (20396, 1020236), (24584, 846434), (35693, 582992), (36437, 571088), (40792, 510118), (49168, 423217), (71386, 291496), (72874, 285544), (81584, 255059), (142772, 145748)]