20527080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3491}}^1$

素因数の和:3519

約数の個数: 96

約数和(自身を含む): 71655840

約数和(自身を除く): 51128760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3491, 5880, 6982, 10473, 13964, 17455, 20946, 24437, 27928, 34910, 41892, 48874, 52365, 69820, 73311, 83784, 97748, 104730, 122185, 139640, 146622, 171059, 195496, 209460, 244370, 293244, 342118, 366555, 418920, 488740, 513177, 586488, 684236, 733110, 855295, 977480, 1026354, 1368472, 1466220, 1710590, 2052708, 2565885, 2932440, 3421180, 4105416, 5131770, 6842360, 10263540, 20527080]

約数ペア:

[(1, 20527080), (2, 10263540), (3, 6842360), (4, 5131770), (5, 4105416), (6, 3421180), (7, 2932440), (8, 2565885), (10, 2052708), (12, 1710590), (14, 1466220), (15, 1368472), (20, 1026354), (21, 977480), (24, 855295), (28, 733110), (30, 684236), (35, 586488), (40, 513177), (42, 488740), (49, 418920), (56, 366555), (60, 342118), (70, 293244), (84, 244370), (98, 209460), (105, 195496), (120, 171059), (140, 146622), (147, 139640), (168, 122185), (196, 104730), (210, 97748), (245, 83784), (280, 73311), (294, 69820), (392, 52365), (420, 48874), (490, 41892), (588, 34910), (735, 27928), (840, 24437), (980, 20946), (1176, 17455), (1470, 13964), (1960, 10473), (2940, 6982), (3491, 5880)]