20342571008

素因数分解:

$2^{16}\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:130

約数の個数: 204

約数和(自身を含む): 46855261080

約数和(自身を除く): 26512690072

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 248, 256, 272, 304, 323, 496, 512, 527, 544, 589, 608, 646, 961, 992, 1024, 1054, 1088, 1178, 1216, 1292, 1922, 1984, 2048, 2108, 2176, 2356, 2432, 2584, 3844, 3968, 4096, 4216, 4352, 4712, 4864, 5168, 7688, 7936, 8192, 8432, 8704, 9424, 9728, 10013, 10336, 15376, 15872, 16337, 16384, 16864, 17408, 18259, 18848, 19456, 20026, 20672, 30752, 31744, 32674, 32768, 33728, 34816, 36518, 37696, 38912, 40052, 41344, 61504, 63488, 65348, 65536, 67456, 69632, 73036, 75392, 77824, 80104, 82688, 123008, 126976, 130696, 134912, 139264, 146072, 150784, 155648, 160208, 165376, 246016, 253952, 261392, 269824, 278528, 292144, 301568, 310403, 311296, 320416, 330752, 492032, 507904, 522784, 539648, 557056, 584288, 603136, 620806, 622592, 640832, 661504, 984064, 1015808, 1045568, 1079296, 1114112, 1168576, 1206272, 1241612, 1245184, 1281664, 1323008, 1968128, 2031616, 2091136, 2158592, 2337152, 2412544, 2483224, 2563328, 2646016, 3936256, 4182272, 4317184, 4674304, 4825088, 4966448, 5126656, 5292032, 7872512, 8364544, 8634368, 9348608, 9650176, 9932896, 10253312, 10584064, 15745024, 16729088, 17268736, 18697216, 19300352, 19865792, 20506624, 21168128, 31490048, 33458176, 34537472, 37394432, 38600704, 39731584, 41013248, 62980096, 66916352, 74788864, 79463168, 82026496, 133832704, 149577728, 158926336, 164052992, 267665408, 299155456, 317852672, 328105984, 535330816, 598310912, 635705344, 656211968, 1070661632, 1196621824, 1271410688, 2542821376, 5085642752, 10171285504, 20342571008]

約数ペア:

[(1, 20342571008), (2, 10171285504), (4, 5085642752), (8, 2542821376), (16, 1271410688), (17, 1196621824), (19, 1070661632), (31, 656211968), (32, 635705344), (34, 598310912), (38, 535330816), (62, 328105984), (64, 317852672), (68, 299155456), (76, 267665408), (124, 164052992), (128, 158926336), (136, 149577728), (152, 133832704), (248, 82026496), (256, 79463168), (272, 74788864), (304, 66916352), (323, 62980096), (496, 41013248), (512, 39731584), (527, 38600704), (544, 37394432), (589, 34537472), (608, 33458176), (646, 31490048), (961, 21168128), (992, 20506624), (1024, 19865792), (1054, 19300352), (1088, 18697216), (1178, 17268736), (1216, 16729088), (1292, 15745024), (1922, 10584064), (1984, 10253312), (2048, 9932896), (2108, 9650176), (2176, 9348608), (2356, 8634368), (2432, 8364544), (2584, 7872512), (3844, 5292032), (3968, 5126656), (4096, 4966448), (4216, 4825088), (4352, 4674304), (4712, 4317184), (4864, 4182272), (5168, 3936256), (7688, 2646016), (7936, 2563328), (8192, 2483224), (8432, 2412544), (8704, 2337152), (9424, 2158592), (9728, 2091136), (10013, 2031616), (10336, 1968128), (15376, 1323008), (15872, 1281664), (16337, 1245184), (16384, 1241612), (16864, 1206272), (17408, 1168576), (18259, 1114112), (18848, 1079296), (19456, 1045568), (20026, 1015808), (20672, 984064), (30752, 661504), (31744, 640832), (32674, 622592), (32768, 620806), (33728, 603136), (34816, 584288), (36518, 557056), (37696, 539648), (38912, 522784), (40052, 507904), (41344, 492032), (61504, 330752), (63488, 320416), (65348, 311296), (65536, 310403), (67456, 301568), (69632, 292144), (73036, 278528), (75392, 269824), (77824, 261392), (80104, 253952), (82688, 246016), (123008, 165376), (126976, 160208), (130696, 155648), (134912, 150784), (139264, 146072)]