20259454976

素因数分解:

$2^{14}\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 43032245760

約数和(自身を除く): 22772790784

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 151, 152, 256, 302, 304, 431, 512, 604, 608, 862, 1024, 1208, 1216, 1724, 2048, 2416, 2432, 2869, 3448, 4096, 4832, 4864, 5738, 6896, 8189, 8192, 9664, 9728, 11476, 13792, 16378, 16384, 19328, 19456, 22952, 27584, 32756, 38656, 38912, 45904, 55168, 65081, 65512, 77312, 77824, 91808, 110336, 130162, 131024, 154624, 155648, 183616, 220672, 260324, 262048, 309248, 311296, 367232, 441344, 520648, 524096, 618496, 734464, 882688, 1041296, 1048192, 1236539, 1236992, 1468928, 1765376, 2082592, 2096384, 2473078, 2473984, 2937856, 3530752, 4165184, 4192768, 4946156, 5875712, 7061504, 8330368, 8385536, 9892312, 11751424, 16660736, 16771072, 19784624, 23502848, 33321472, 33542144, 39569248, 47005696, 66642944, 67084288, 79138496, 133285888, 134168576, 158276992, 266571776, 316553984, 533143552, 633107968, 1066287104, 1266215936, 2532431872, 5064863744, 10129727488, 20259454976]

約数ペア:

[(1, 20259454976), (2, 10129727488), (4, 5064863744), (8, 2532431872), (16, 1266215936), (19, 1066287104), (32, 633107968), (38, 533143552), (64, 316553984), (76, 266571776), (128, 158276992), (151, 134168576), (152, 133285888), (256, 79138496), (302, 67084288), (304, 66642944), (431, 47005696), (512, 39569248), (604, 33542144), (608, 33321472), (862, 23502848), (1024, 19784624), (1208, 16771072), (1216, 16660736), (1724, 11751424), (2048, 9892312), (2416, 8385536), (2432, 8330368), (2869, 7061504), (3448, 5875712), (4096, 4946156), (4832, 4192768), (4864, 4165184), (5738, 3530752), (6896, 2937856), (8189, 2473984), (8192, 2473078), (9664, 2096384), (9728, 2082592), (11476, 1765376), (13792, 1468928), (16378, 1236992), (16384, 1236539), (19328, 1048192), (19456, 1041296), (22952, 882688), (27584, 734464), (32756, 618496), (38656, 524096), (38912, 520648), (45904, 441344), (55168, 367232), (65081, 311296), (65512, 309248), (77312, 262048), (77824, 260324), (91808, 220672), (110336, 183616), (130162, 155648), (131024, 154624)]