20145968128

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:633

約数の個数: 264

約数和(自身を含む): 50166565920

約数和(自身を除く): 30020597792

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 76, 88, 104, 128, 143, 152, 169, 176, 208, 209, 247, 256, 286, 304, 338, 352, 416, 418, 494, 512, 557, 572, 608, 676, 704, 832, 836, 988, 1024, 1114, 1144, 1216, 1352, 1408, 1664, 1672, 1859, 1976, 2228, 2288, 2432, 2704, 2717, 2816, 3211, 3328, 3344, 3718, 3952, 4456, 4576, 4864, 5408, 5434, 5632, 6127, 6422, 6656, 6688, 7241, 7436, 7904, 8912, 9152, 9728, 10583, 10816, 10868, 11264, 12254, 12844, 13312, 13376, 14482, 14872, 15808, 17824, 18304, 19456, 21166, 21632, 21736, 24508, 25688, 26752, 28964, 29744, 31616, 35321, 35648, 36608, 42332, 43264, 43472, 49016, 51376, 53504, 57928, 59488, 63232, 70642, 71296, 73216, 79651, 84664, 86528, 86944, 94133, 98032, 102752, 107008, 115856, 116413, 118976, 126464, 137579, 141284, 142592, 146432, 159302, 169328, 173056, 173888, 188266, 196064, 205504, 214016, 231712, 232826, 237952, 252928, 275158, 282568, 285184, 318604, 338656, 347776, 376532, 392128, 411008, 463424, 465652, 475904, 550316, 565136, 570368, 637208, 677312, 695552, 753064, 784256, 822016, 926848, 931304, 951808, 1035463, 1100632, 1130272, 1274416, 1354624, 1391104, 1506128, 1513369, 1568512, 1644032, 1788527, 1853696, 1862608, 1903616, 2070926, 2201264, 2260544, 2548832, 2709248, 2782208, 3012256, 3026738, 3137024, 3288064, 3577054, 3707392, 3725216, 4141852, 4402528, 4521088, 5097664, 5418496, 6024512, 6053476, 6274048, 7154108, 7414784, 7450432, 8283704, 8805056, 9042176, 10195328, 10836992, 12049024, 12106952, 14308216, 14900864, 16567408, 17610112, 18084352, 19673797, 20390656, 24098048, 24213904, 28616432, 29801728, 33134816, 35220224, 36168704, 39347594, 40781312, 48196096, 48427808, 57232864, 59603456, 66269632, 70440448, 78695188, 81562624, 96392192, 96855616, 114465728, 119206912, 132539264, 140880896, 157390376, 193711232, 228931456, 265078528, 314780752, 387422464, 457862912, 530157056, 629561504, 774844928, 915725824, 1060314112, 1259123008, 1549689856, 1831451648, 2518246016, 5036492032, 10072984064, 20145968128]

約数ペア:

[(1, 20145968128), (2, 10072984064), (4, 5036492032), (8, 2518246016), (11, 1831451648), (13, 1549689856), (16, 1259123008), (19, 1060314112), (22, 915725824), (26, 774844928), (32, 629561504), (38, 530157056), (44, 457862912), (52, 387422464), (64, 314780752), (76, 265078528), (88, 228931456), (104, 193711232), (128, 157390376), (143, 140880896), (152, 132539264), (169, 119206912), (176, 114465728), (208, 96855616), (209, 96392192), (247, 81562624), (256, 78695188), (286, 70440448), (304, 66269632), (338, 59603456), (352, 57232864), (416, 48427808), (418, 48196096), (494, 40781312), (512, 39347594), (557, 36168704), (572, 35220224), (608, 33134816), (676, 29801728), (704, 28616432), (832, 24213904), (836, 24098048), (988, 20390656), (1024, 19673797), (1114, 18084352), (1144, 17610112), (1216, 16567408), (1352, 14900864), (1408, 14308216), (1664, 12106952), (1672, 12049024), (1859, 10836992), (1976, 10195328), (2228, 9042176), (2288, 8805056), (2432, 8283704), (2704, 7450432), (2717, 7414784), (2816, 7154108), (3211, 6274048), (3328, 6053476), (3344, 6024512), (3718, 5418496), (3952, 5097664), (4456, 4521088), (4576, 4402528), (4864, 4141852), (5408, 3725216), (5434, 3707392), (5632, 3577054), (6127, 3288064), (6422, 3137024), (6656, 3026738), (6688, 3012256), (7241, 2782208), (7436, 2709248), (7904, 2548832), (8912, 2260544), (9152, 2201264), (9728, 2070926), (10583, 1903616), (10816, 1862608), (10868, 1853696), (11264, 1788527), (12254, 1644032), (12844, 1568512), (13312, 1513369), (13376, 1506128), (14482, 1391104), (14872, 1354624), (15808, 1274416), (17824, 1130272), (18304, 1100632), (19456, 1035463), (21166, 951808), (21632, 931304), (21736, 926848), (24508, 822016), (25688, 784256), (26752, 753064), (28964, 695552), (29744, 677312), (31616, 637208), (35321, 570368), (35648, 565136), (36608, 550316), (42332, 475904), (43264, 465652), (43472, 463424), (49016, 411008), (51376, 392128), (53504, 376532), (57928, 347776), (59488, 338656), (63232, 318604), (70642, 285184), (71296, 282568), (73216, 275158), (79651, 252928), (84664, 237952), (86528, 232826), (86944, 231712), (94133, 214016), (98032, 205504), (102752, 196064), (107008, 188266), (115856, 173888), (116413, 173056), (118976, 169328), (126464, 159302), (137579, 146432), (141284, 142592)]