20999788950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{6971}}^1$

素因数の和:7163

約数の個数: 192

約数和(自身を含む): 63075962880

約数和(自身を除く): 42076173930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 151, 175, 190, 210, 266, 285, 302, 350, 399, 453, 475, 525, 570, 665, 755, 798, 906, 950, 1050, 1057, 1330, 1425, 1510, 1995, 2114, 2265, 2850, 2869, 3171, 3325, 3775, 3990, 4530, 5285, 5738, 6342, 6650, 6971, 7550, 8607, 9975, 10570, 11325, 13942, 14345, 15855, 17214, 19950, 20083, 20913, 22650, 26425, 28690, 31710, 34855, 40166, 41826, 43035, 48797, 52850, 60249, 69710, 71725, 79275, 86070, 97594, 100415, 104565, 120498, 132449, 143450, 146391, 158550, 174275, 200830, 209130, 215175, 243985, 264898, 292782, 301245, 348550, 397347, 430350, 487970, 502075, 522825, 602490, 662245, 731955, 794694, 927143, 1004150, 1045650, 1052621, 1219925, 1324490, 1463910, 1506225, 1854286, 1986735, 2105242, 2439850, 2781429, 3012450, 3157863, 3311225, 3659775, 3973470, 4635715, 5263105, 5562858, 6315726, 6622450, 7319550, 7368347, 9271430, 9933675, 10526210, 13907145, 14736694, 15789315, 19867350, 19999799, 22105041, 23178575, 26315525, 27814290, 31578630, 36841735, 39999598, 44210082, 46357150, 52631050, 59999397, 69535725, 73683470, 78946575, 99998995, 110525205, 119998794, 139071450, 139998593, 157893150, 184208675, 199997990, 221050410, 279997186, 299996985, 368417350, 419995779, 499994975, 552626025, 599993970, 699992965, 839991558, 999989950, 1105252050, 1399985930, 1499984925, 2099978895, 2999969850, 3499964825, 4199957790, 6999929650, 10499894475, 20999788950]

約数ペア:

[(1, 20999788950), (2, 10499894475), (3, 6999929650), (5, 4199957790), (6, 3499964825), (7, 2999969850), (10, 2099978895), (14, 1499984925), (15, 1399985930), (19, 1105252050), (21, 999989950), (25, 839991558), (30, 699992965), (35, 599993970), (38, 552626025), (42, 499994975), (50, 419995779), (57, 368417350), (70, 299996985), (75, 279997186), (95, 221050410), (105, 199997990), (114, 184208675), (133, 157893150), (150, 139998593), (151, 139071450), (175, 119998794), (190, 110525205), (210, 99998995), (266, 78946575), (285, 73683470), (302, 69535725), (350, 59999397), (399, 52631050), (453, 46357150), (475, 44210082), (525, 39999598), (570, 36841735), (665, 31578630), (755, 27814290), (798, 26315525), (906, 23178575), (950, 22105041), (1050, 19999799), (1057, 19867350), (1330, 15789315), (1425, 14736694), (1510, 13907145), (1995, 10526210), (2114, 9933675), (2265, 9271430), (2850, 7368347), (2869, 7319550), (3171, 6622450), (3325, 6315726), (3775, 5562858), (3990, 5263105), (4530, 4635715), (5285, 3973470), (5738, 3659775), (6342, 3311225), (6650, 3157863), (6971, 3012450), (7550, 2781429), (8607, 2439850), (9975, 2105242), (10570, 1986735), (11325, 1854286), (13942, 1506225), (14345, 1463910), (15855, 1324490), (17214, 1219925), (19950, 1052621), (20083, 1045650), (20913, 1004150), (22650, 927143), (26425, 794694), (28690, 731955), (31710, 662245), (34855, 602490), (40166, 522825), (41826, 502075), (43035, 487970), (48797, 430350), (52850, 397347), (60249, 348550), (69710, 301245), (71725, 292782), (79275, 264898), (86070, 243985), (97594, 215175), (100415, 209130), (104565, 200830), (120498, 174275), (132449, 158550), (143450, 146391)]