20999716864

素因数分解:

$2^{14}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 52846617600

約数和(自身を除く): 31846900736

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 64, 76, 92, 112, 128, 133, 152, 161, 184, 224, 256, 266, 304, 322, 368, 419, 437, 448, 512, 532, 608, 644, 736, 838, 874, 896, 1024, 1064, 1216, 1288, 1472, 1676, 1748, 1792, 2048, 2128, 2432, 2576, 2933, 2944, 3059, 3352, 3496, 3584, 4096, 4256, 4864, 5152, 5866, 5888, 6118, 6704, 6992, 7168, 7961, 8192, 8512, 9637, 9728, 10304, 11732, 11776, 12236, 13408, 13984, 14336, 15922, 16384, 17024, 19274, 19456, 20608, 23464, 23552, 24472, 26816, 27968, 28672, 31844, 34048, 38548, 38912, 41216, 46928, 47104, 48944, 53632, 55727, 55936, 57344, 63688, 67459, 68096, 77096, 77824, 82432, 93856, 94208, 97888, 107264, 111454, 111872, 114688, 127376, 134918, 136192, 154192, 155648, 164864, 183103, 187712, 188416, 195776, 214528, 222908, 223744, 254752, 269836, 272384, 308384, 311296, 329728, 366206, 375424, 376832, 391552, 429056, 445816, 447488, 509504, 539672, 544768, 616768, 659456, 732412, 750848, 783104, 858112, 891632, 894976, 1019008, 1079344, 1089536, 1233536, 1281721, 1318912, 1464824, 1501696, 1566208, 1716224, 1783264, 1789952, 2038016, 2158688, 2179072, 2467072, 2563442, 2637824, 2929648, 3003392, 3132416, 3432448, 3566528, 3579904, 4076032, 4317376, 4934144, 5126884, 5859296, 6006784, 6264832, 6864896, 7133056, 7159808, 8152064, 8634752, 9868288, 10253768, 11718592, 12013568, 12529664, 14266112, 16304128, 17269504, 19736576, 20507536, 23437184, 24027136, 25059328, 28532224, 32608256, 34539008, 39473152, 41015072, 46874368, 48054272, 50118656, 57064448, 65216512, 69078016, 78946304, 82030144, 93748736, 114128896, 130433024, 138156032, 157892608, 164060288, 187497472, 228257792, 276312064, 328120576, 374994944, 456515584, 552624128, 656241152, 749989888, 913031168, 1105248256, 1312482304, 1499979776, 2624964608, 2999959552, 5249929216, 10499858432, 20999716864]

約数ペア:

[(1, 20999716864), (2, 10499858432), (4, 5249929216), (7, 2999959552), (8, 2624964608), (14, 1499979776), (16, 1312482304), (19, 1105248256), (23, 913031168), (28, 749989888), (32, 656241152), (38, 552624128), (46, 456515584), (56, 374994944), (64, 328120576), (76, 276312064), (92, 228257792), (112, 187497472), (128, 164060288), (133, 157892608), (152, 138156032), (161, 130433024), (184, 114128896), (224, 93748736), (256, 82030144), (266, 78946304), (304, 69078016), (322, 65216512), (368, 57064448), (419, 50118656), (437, 48054272), (448, 46874368), (512, 41015072), (532, 39473152), (608, 34539008), (644, 32608256), (736, 28532224), (838, 25059328), (874, 24027136), (896, 23437184), (1024, 20507536), (1064, 19736576), (1216, 17269504), (1288, 16304128), (1472, 14266112), (1676, 12529664), (1748, 12013568), (1792, 11718592), (2048, 10253768), (2128, 9868288), (2432, 8634752), (2576, 8152064), (2933, 7159808), (2944, 7133056), (3059, 6864896), (3352, 6264832), (3496, 6006784), (3584, 5859296), (4096, 5126884), (4256, 4934144), (4864, 4317376), (5152, 4076032), (5866, 3579904), (5888, 3566528), (6118, 3432448), (6704, 3132416), (6992, 3003392), (7168, 2929648), (7961, 2637824), (8192, 2563442), (8512, 2467072), (9637, 2179072), (9728, 2158688), (10304, 2038016), (11732, 1789952), (11776, 1783264), (12236, 1716224), (13408, 1566208), (13984, 1501696), (14336, 1464824), (15922, 1318912), (16384, 1281721), (17024, 1233536), (19274, 1089536), (19456, 1079344), (20608, 1019008), (23464, 894976), (23552, 891632), (24472, 858112), (26816, 783104), (27968, 750848), (28672, 732412), (31844, 659456), (34048, 616768), (38548, 544768), (38912, 539672), (41216, 509504), (46928, 447488), (47104, 445816), (48944, 429056), (53632, 391552), (55727, 376832), (55936, 375424), (57344, 366206), (63688, 329728), (67459, 311296), (68096, 308384), (77096, 272384), (77824, 269836), (82432, 254752), (93856, 223744), (94208, 222908), (97888, 214528), (107264, 195776), (111454, 188416), (111872, 187712), (114688, 183103), (127376, 164864), (134918, 155648), (136192, 154192)]