20187086560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8311}}^1$

素因数の和:8409

約数の個数: 192

約数和(自身を含む): 54292654080

約数和(自身を除く): 34105567520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 47, 68, 76, 80, 85, 94, 95, 136, 152, 160, 170, 188, 190, 235, 272, 304, 323, 340, 376, 380, 470, 544, 608, 646, 680, 752, 760, 799, 893, 940, 1292, 1360, 1504, 1520, 1598, 1615, 1786, 1880, 2584, 2720, 3040, 3196, 3230, 3572, 3760, 3995, 4465, 5168, 6392, 6460, 7144, 7520, 7990, 8311, 8930, 10336, 12784, 12920, 14288, 15181, 15980, 16622, 17860, 25568, 25840, 28576, 30362, 31960, 33244, 35720, 41555, 51680, 60724, 63920, 66488, 71440, 75905, 83110, 121448, 127840, 132976, 141287, 142880, 151810, 157909, 166220, 242896, 265952, 282574, 303620, 315818, 332440, 390617, 485792, 565148, 607240, 631636, 664880, 706435, 781234, 789545, 1130296, 1214480, 1263272, 1329760, 1412870, 1562468, 1579090, 1953085, 2260592, 2428960, 2526544, 2684453, 2825740, 3124936, 3158180, 3906170, 4521184, 5053088, 5368906, 5651480, 6249872, 6316360, 6640489, 7421723, 7812340, 10737812, 11302960, 12499744, 12632720, 13280978, 13422265, 14843446, 15624680, 21475624, 22605920, 25265440, 26561956, 26844530, 29686892, 31249360, 33202445, 37108615, 42951248, 53123912, 53689060, 59373784, 62498720, 66404890, 74217230, 85902496, 106247824, 107378120, 118747568, 126169291, 132809780, 148434460, 212495648, 214756240, 237495136, 252338582, 265619560, 296868920, 429512480, 504677164, 531239120, 593737840, 630846455, 1009354328, 1062478240, 1187475680, 1261692910, 2018708656, 2523385820, 4037417312, 5046771640, 10093543280, 20187086560]

約数ペア:

[(1, 20187086560), (2, 10093543280), (4, 5046771640), (5, 4037417312), (8, 2523385820), (10, 2018708656), (16, 1261692910), (17, 1187475680), (19, 1062478240), (20, 1009354328), (32, 630846455), (34, 593737840), (38, 531239120), (40, 504677164), (47, 429512480), (68, 296868920), (76, 265619560), (80, 252338582), (85, 237495136), (94, 214756240), (95, 212495648), (136, 148434460), (152, 132809780), (160, 126169291), (170, 118747568), (188, 107378120), (190, 106247824), (235, 85902496), (272, 74217230), (304, 66404890), (323, 62498720), (340, 59373784), (376, 53689060), (380, 53123912), (470, 42951248), (544, 37108615), (608, 33202445), (646, 31249360), (680, 29686892), (752, 26844530), (760, 26561956), (799, 25265440), (893, 22605920), (940, 21475624), (1292, 15624680), (1360, 14843446), (1504, 13422265), (1520, 13280978), (1598, 12632720), (1615, 12499744), (1786, 11302960), (1880, 10737812), (2584, 7812340), (2720, 7421723), (3040, 6640489), (3196, 6316360), (3230, 6249872), (3572, 5651480), (3760, 5368906), (3995, 5053088), (4465, 4521184), (5168, 3906170), (6392, 3158180), (6460, 3124936), (7144, 2825740), (7520, 2684453), (7990, 2526544), (8311, 2428960), (8930, 2260592), (10336, 1953085), (12784, 1579090), (12920, 1562468), (14288, 1412870), (15181, 1329760), (15980, 1263272), (16622, 1214480), (17860, 1130296), (25568, 789545), (25840, 781234), (28576, 706435), (30362, 664880), (31960, 631636), (33244, 607240), (35720, 565148), (41555, 485792), (51680, 390617), (60724, 332440), (63920, 315818), (66488, 303620), (71440, 282574), (75905, 265952), (83110, 242896), (121448, 166220), (127840, 157909), (132976, 151810), (141287, 142880)]