20387411616

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78163}}^1$

素因数の和:78219

約数の個数: 192

約数和(自身を含む): 66183022080

約数和(自身を除く): 45795610464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 19, 22, 24, 26, 32, 33, 38, 39, 44, 48, 52, 57, 66, 76, 78, 88, 96, 104, 114, 132, 143, 152, 156, 176, 208, 209, 228, 247, 264, 286, 304, 312, 352, 416, 418, 429, 456, 494, 528, 572, 608, 624, 627, 741, 836, 858, 912, 988, 1056, 1144, 1248, 1254, 1482, 1672, 1716, 1824, 1976, 2288, 2508, 2717, 2964, 3344, 3432, 3952, 4576, 5016, 5434, 5928, 6688, 6864, 7904, 8151, 10032, 10868, 11856, 13728, 16302, 20064, 21736, 23712, 32604, 43472, 65208, 78163, 86944, 130416, 156326, 234489, 260832, 312652, 468978, 625304, 859793, 937956, 1016119, 1250608, 1485097, 1719586, 1875912, 2032238, 2501216, 2579379, 2970194, 3048357, 3439172, 3751824, 4064476, 4455291, 5158758, 5940388, 6096714, 6878344, 7503648, 8128952, 8910582, 10317516, 11177309, 11880776, 12193428, 13756688, 16257904, 16336067, 17821164, 19306261, 20635032, 22354618, 23761552, 24386856, 27513376, 32515808, 32672134, 33531927, 35642328, 38612522, 41270064, 44709236, 47523104, 48773712, 49008201, 57918783, 65344268, 67063854, 71284656, 77225044, 82540128, 89418472, 97547424, 98016402, 115837566, 130688536, 134127708, 142569312, 154450088, 178836944, 196032804, 212368871, 231675132, 261377072, 268255416, 308900176, 357673888, 392065608, 424737742, 463350264, 522754144, 536510832, 617800352, 637106613, 784131216, 849475484, 926700528, 1073021664, 1274213226, 1568262432, 1698950968, 1853401056, 2548426452, 3397901936, 5096852904, 6795803872, 10193705808, 20387411616]

約数ペア:

[(1, 20387411616), (2, 10193705808), (3, 6795803872), (4, 5096852904), (6, 3397901936), (8, 2548426452), (11, 1853401056), (12, 1698950968), (13, 1568262432), (16, 1274213226), (19, 1073021664), (22, 926700528), (24, 849475484), (26, 784131216), (32, 637106613), (33, 617800352), (38, 536510832), (39, 522754144), (44, 463350264), (48, 424737742), (52, 392065608), (57, 357673888), (66, 308900176), (76, 268255416), (78, 261377072), (88, 231675132), (96, 212368871), (104, 196032804), (114, 178836944), (132, 154450088), (143, 142569312), (152, 134127708), (156, 130688536), (176, 115837566), (208, 98016402), (209, 97547424), (228, 89418472), (247, 82540128), (264, 77225044), (286, 71284656), (304, 67063854), (312, 65344268), (352, 57918783), (416, 49008201), (418, 48773712), (429, 47523104), (456, 44709236), (494, 41270064), (528, 38612522), (572, 35642328), (608, 33531927), (624, 32672134), (627, 32515808), (741, 27513376), (836, 24386856), (858, 23761552), (912, 22354618), (988, 20635032), (1056, 19306261), (1144, 17821164), (1248, 16336067), (1254, 16257904), (1482, 13756688), (1672, 12193428), (1716, 11880776), (1824, 11177309), (1976, 10317516), (2288, 8910582), (2508, 8128952), (2717, 7503648), (2964, 6878344), (3344, 6096714), (3432, 5940388), (3952, 5158758), (4576, 4455291), (5016, 4064476), (5434, 3751824), (5928, 3439172), (6688, 3048357), (6864, 2970194), (7904, 2579379), (8151, 2501216), (10032, 2032238), (10868, 1875912), (11856, 1719586), (13728, 1485097), (16302, 1250608), (20064, 1016119), (21736, 937956), (23712, 859793), (32604, 625304), (43472, 468978), (65208, 312652), (78163, 260832), (86944, 234489), (130416, 156326)]