20749697728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1926

約数の個数: 112

約数和(自身を含む): 43668817920

約数和(自身を除く): 22919120192

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 103, 118, 124, 206, 236, 248, 412, 472, 496, 824, 944, 992, 1648, 1721, 1829, 1888, 1984, 3193, 3296, 3442, 3658, 3776, 6077, 6386, 6592, 6884, 7316, 12154, 12772, 13768, 14632, 24308, 25544, 27536, 29264, 48616, 51088, 53351, 55072, 58528, 97232, 101539, 102176, 106702, 110144, 117056, 177263, 188387, 194464, 203078, 204352, 213404, 354526, 376774, 388928, 406156, 426808, 709052, 753548, 812312, 853616, 1418104, 1507096, 1624624, 1707232, 2836208, 3014192, 3147709, 3249248, 3414464, 5495153, 5672416, 6028384, 6295418, 6498496, 10458517, 10990306, 11344832, 12056768, 12590836, 20917034, 21980612, 25181672, 41834068, 43961224, 50363344, 83668136, 87922448, 100726688, 167336272, 175844896, 201453376, 324214027, 334672544, 351689792, 648428054, 669345088, 1296856108, 2593712216, 5187424432, 10374848864, 20749697728]

約数ペア:

[(1, 20749697728), (2, 10374848864), (4, 5187424432), (8, 2593712216), (16, 1296856108), (31, 669345088), (32, 648428054), (59, 351689792), (62, 334672544), (64, 324214027), (103, 201453376), (118, 175844896), (124, 167336272), (206, 100726688), (236, 87922448), (248, 83668136), (412, 50363344), (472, 43961224), (496, 41834068), (824, 25181672), (944, 21980612), (992, 20917034), (1648, 12590836), (1721, 12056768), (1829, 11344832), (1888, 10990306), (1984, 10458517), (3193, 6498496), (3296, 6295418), (3442, 6028384), (3658, 5672416), (3776, 5495153), (6077, 3414464), (6386, 3249248), (6592, 3147709), (6884, 3014192), (7316, 2836208), (12154, 1707232), (12772, 1624624), (13768, 1507096), (14632, 1418104), (24308, 853616), (25544, 812312), (27536, 753548), (29264, 709052), (48616, 426808), (51088, 406156), (53351, 388928), (55072, 376774), (58528, 354526), (97232, 213404), (101539, 204352), (102176, 203078), (106702, 194464), (110144, 188387), (117056, 177263)]