20668834648

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1879}}^1\times {\mathrm{2551}}^1$

素因数の和:4461

約数の個数: 96

約数和(自身を含む): 49225017600

約数和(自身を除く): 28556182952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 1879, 2156, 2551, 3758, 4312, 5102, 7516, 10204, 13153, 15032, 17857, 20408, 20669, 26306, 28061, 35714, 41338, 52612, 56122, 71428, 82676, 92071, 105224, 112244, 124999, 142856, 144683, 165352, 184142, 196427, 224488, 249998, 289366, 368284, 392854, 499996, 578732, 736568, 785708, 999992, 1012781, 1157464, 1374989, 1571416, 2025562, 2749978, 4051124, 4793329, 5499956, 8102248, 9586658, 10999912, 19173316, 33553303, 38346632, 52726619, 67106606, 105453238, 134213212, 210906476, 234873121, 268426424, 369086333, 421812952, 469746242, 738172666, 939492484, 1476345332, 1878984968, 2583604331, 2952690664, 5167208662, 10334417324, 20668834648]

約数ペア:

[(1, 20668834648), (2, 10334417324), (4, 5167208662), (7, 2952690664), (8, 2583604331), (11, 1878984968), (14, 1476345332), (22, 939492484), (28, 738172666), (44, 469746242), (49, 421812952), (56, 369086333), (77, 268426424), (88, 234873121), (98, 210906476), (154, 134213212), (196, 105453238), (308, 67106606), (392, 52726619), (539, 38346632), (616, 33553303), (1078, 19173316), (1879, 10999912), (2156, 9586658), (2551, 8102248), (3758, 5499956), (4312, 4793329), (5102, 4051124), (7516, 2749978), (10204, 2025562), (13153, 1571416), (15032, 1374989), (17857, 1157464), (20408, 1012781), (20669, 999992), (26306, 785708), (28061, 736568), (35714, 578732), (41338, 499996), (52612, 392854), (56122, 368284), (71428, 289366), (82676, 249998), (92071, 224488), (105224, 196427), (112244, 184142), (124999, 165352), (142856, 144683)]