20665549312

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{8317}}^1$

素因数の和:8569

約数の個数: 80

約数和(自身を含む): 43295389632

約数和(自身を除く): 22629840320

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 211, 256, 368, 422, 512, 736, 844, 1472, 1688, 2944, 3376, 4853, 5888, 6752, 8317, 9706, 11776, 13504, 16634, 19412, 27008, 33268, 38824, 54016, 66536, 77648, 108032, 133072, 155296, 191291, 266144, 310592, 382582, 532288, 621184, 765164, 1064576, 1242368, 1530328, 1754887, 2129152, 2484736, 3060656, 3509774, 4258304, 6121312, 7019548, 12242624, 14039096, 24485248, 28078192, 40362401, 48970496, 56156384, 80724802, 97940992, 112312768, 161449604, 224625536, 322899208, 449251072, 645798416, 898502144, 1291596832, 2583193664, 5166387328, 10332774656, 20665549312]

約数ペア:

[(1, 20665549312), (2, 10332774656), (4, 5166387328), (8, 2583193664), (16, 1291596832), (23, 898502144), (32, 645798416), (46, 449251072), (64, 322899208), (92, 224625536), (128, 161449604), (184, 112312768), (211, 97940992), (256, 80724802), (368, 56156384), (422, 48970496), (512, 40362401), (736, 28078192), (844, 24485248), (1472, 14039096), (1688, 12242624), (2944, 7019548), (3376, 6121312), (4853, 4258304), (5888, 3509774), (6752, 3060656), (8317, 2484736), (9706, 2129152), (11776, 1754887), (13504, 1530328), (16634, 1242368), (19412, 1064576), (27008, 765164), (33268, 621184), (38824, 532288), (54016, 382582), (66536, 310592), (77648, 266144), (108032, 191291), (133072, 155296)]