20206899125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 31889894400

約数和(自身を除く): 11682995275

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 125, 139, 145, 175, 203, 337, 425, 493, 595, 695, 725, 875, 973, 1015, 1685, 2125, 2359, 2363, 2465, 2975, 3451, 3475, 3625, 4031, 4865, 5075, 5729, 8425, 9773, 11795, 11815, 12325, 14875, 16541, 17255, 17375, 20155, 24325, 25375, 28217, 28645, 40103, 42125, 46843, 48865, 58975, 59075, 61625, 68411, 68527, 82705, 86275, 100775, 121625, 141085, 143225, 166141, 200515, 234215, 244325, 294875, 295375, 327901, 342055, 342635, 413525, 431375, 479689, 503875, 705425, 716125, 796331, 830705, 1002575, 1162987, 1171075, 1221625, 1358447, 1639505, 1710275, 1713175, 2067625, 2398445, 3527125, 3981655, 4153525, 5012875, 5574317, 5814935, 5855375, 6792235, 8197525, 8551375, 8565875, 9509129, 11992225, 19908275, 20767625, 23093599, 27871585, 29074675, 33961175, 40987625, 47545645, 59961125, 99541375, 115467995, 139357925, 145373375, 161655193, 169805875, 237728225, 577339975, 696789625, 808275965, 1188641125, 2886699875, 4041379825, 20206899125]

約数ペア:

[(1, 20206899125), (5, 4041379825), (7, 2886699875), (17, 1188641125), (25, 808275965), (29, 696789625), (35, 577339975), (85, 237728225), (119, 169805875), (125, 161655193), (139, 145373375), (145, 139357925), (175, 115467995), (203, 99541375), (337, 59961125), (425, 47545645), (493, 40987625), (595, 33961175), (695, 29074675), (725, 27871585), (875, 23093599), (973, 20767625), (1015, 19908275), (1685, 11992225), (2125, 9509129), (2359, 8565875), (2363, 8551375), (2465, 8197525), (2975, 6792235), (3451, 5855375), (3475, 5814935), (3625, 5574317), (4031, 5012875), (4865, 4153525), (5075, 3981655), (5729, 3527125), (8425, 2398445), (9773, 2067625), (11795, 1713175), (11815, 1710275), (12325, 1639505), (14875, 1358447), (16541, 1221625), (17255, 1171075), (17375, 1162987), (20155, 1002575), (24325, 830705), (25375, 796331), (28217, 716125), (28645, 705425), (40103, 503875), (42125, 479689), (46843, 431375), (48865, 413525), (58975, 342635), (59075, 342055), (61625, 327901), (68411, 295375), (68527, 294875), (82705, 244325), (86275, 234215), (100775, 200515), (121625, 166141), (141085, 143225)]