20804950725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 39957442560

約数和(自身を除く): 19152491835

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 71, 73, 75, 115, 179, 195, 213, 219, 299, 325, 345, 355, 365, 537, 575, 895, 897, 923, 949, 975, 1065, 1095, 1495, 1633, 1679, 1725, 1775, 1825, 2327, 2685, 2769, 2847, 4117, 4475, 4485, 4615, 4745, 4899, 5037, 5183, 5325, 5475, 6981, 7475, 8165, 8395, 11635, 12351, 12709, 13067, 13425, 13845, 14235, 15549, 20585, 21229, 21827, 22425, 23075, 23725, 24495, 25185, 25915, 34905, 38127, 39201, 40825, 41975, 53521, 58175, 61755, 63545, 63687, 65335, 65481, 67379, 69225, 71175, 77745, 102925, 106145, 109135, 119209, 122475, 125925, 129575, 160563, 165217, 169871, 174525, 190635, 196005, 202137, 267605, 292307, 300541, 308775, 317725, 318435, 326675, 327405, 336895, 357627, 388725, 495651, 509613, 530725, 545675, 596045, 802815, 826085, 849355, 876921, 901623, 927757, 953175, 980025, 1010685, 1338025, 1461535, 1502705, 1549717, 1592175, 1637025, 1684475, 1788135, 2478255, 2548065, 2783271, 2980225, 3799991, 3907033, 4014075, 4130425, 4246775, 4384605, 4508115, 4638785, 4649151, 5053425, 7307675, 7513525, 7748585, 8940675, 11399973, 11721099, 12060841, 12391275, 12740325, 13916355, 18999955, 19535165, 21338411, 21923025, 22540575, 23193925, 23245755, 36182523, 38742925, 56999865, 58605495, 60304205, 64015233, 69581775, 94999775, 97675825, 106692055, 116228775, 180912615, 277399343, 284999325, 293027475, 301521025, 320076165, 533460275, 832198029, 904563075, 1386996715, 1600380825, 4160990145, 6934983575, 20804950725]

約数ペア:

[(1, 20804950725), (3, 6934983575), (5, 4160990145), (13, 1600380825), (15, 1386996715), (23, 904563075), (25, 832198029), (39, 533460275), (65, 320076165), (69, 301521025), (71, 293027475), (73, 284999325), (75, 277399343), (115, 180912615), (179, 116228775), (195, 106692055), (213, 97675825), (219, 94999775), (299, 69581775), (325, 64015233), (345, 60304205), (355, 58605495), (365, 56999865), (537, 38742925), (575, 36182523), (895, 23245755), (897, 23193925), (923, 22540575), (949, 21923025), (975, 21338411), (1065, 19535165), (1095, 18999955), (1495, 13916355), (1633, 12740325), (1679, 12391275), (1725, 12060841), (1775, 11721099), (1825, 11399973), (2327, 8940675), (2685, 7748585), (2769, 7513525), (2847, 7307675), (4117, 5053425), (4475, 4649151), (4485, 4638785), (4615, 4508115), (4745, 4384605), (4899, 4246775), (5037, 4130425), (5183, 4014075), (5325, 3907033), (5475, 3799991), (6981, 2980225), (7475, 2783271), (8165, 2548065), (8395, 2478255), (11635, 1788135), (12351, 1684475), (12709, 1637025), (13067, 1592175), (13425, 1549717), (13845, 1502705), (14235, 1461535), (15549, 1338025), (20585, 1010685), (21229, 980025), (21827, 953175), (22425, 927757), (23075, 901623), (23725, 876921), (24495, 849355), (25185, 826085), (25915, 802815), (34905, 596045), (38127, 545675), (39201, 530725), (40825, 509613), (41975, 495651), (53521, 388725), (58175, 357627), (61755, 336895), (63545, 327405), (63687, 326675), (65335, 318435), (65481, 317725), (67379, 308775), (69225, 300541), (71175, 292307), (77745, 267605), (102925, 202137), (106145, 196005), (109135, 190635), (119209, 174525), (122475, 169871), (125925, 165217), (129575, 160563)]