20840802688

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1627}}^1$

素因数の和:1912

約数の個数: 128

約数和(自身を含む): 45831456000

約数和(自身を除く): 24990653312

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 229, 304, 368, 437, 458, 608, 736, 874, 916, 1216, 1472, 1627, 1748, 1832, 2432, 2944, 3254, 3496, 3664, 4351, 5267, 6508, 6992, 7328, 8702, 10534, 13016, 13984, 14656, 17404, 21068, 26032, 27968, 29312, 30913, 34808, 37421, 42136, 52064, 55936, 61826, 69616, 74842, 84272, 100073, 104128, 123652, 139232, 149684, 168544, 200146, 208256, 247304, 278464, 299368, 337088, 372583, 400292, 494608, 556928, 598736, 674176, 710999, 745166, 800584, 989216, 1197472, 1421998, 1490332, 1601168, 1978432, 2394944, 2843996, 2980664, 3202336, 3956864, 4789888, 5687992, 5961328, 6404672, 7079077, 8569409, 11375984, 11922656, 12809344, 14158154, 17138818, 22751968, 23845312, 28316308, 34277636, 45503936, 47690624, 56632616, 68555272, 91007872, 113265232, 137110544, 162818771, 226530464, 274221088, 325637542, 453060928, 548442176, 651275084, 906121856, 1096884352, 1302550168, 2605100336, 5210200672, 10420401344, 20840802688]

約数ペア:

[(1, 20840802688), (2, 10420401344), (4, 5210200672), (8, 2605100336), (16, 1302550168), (19, 1096884352), (23, 906121856), (32, 651275084), (38, 548442176), (46, 453060928), (64, 325637542), (76, 274221088), (92, 226530464), (128, 162818771), (152, 137110544), (184, 113265232), (229, 91007872), (304, 68555272), (368, 56632616), (437, 47690624), (458, 45503936), (608, 34277636), (736, 28316308), (874, 23845312), (916, 22751968), (1216, 17138818), (1472, 14158154), (1627, 12809344), (1748, 11922656), (1832, 11375984), (2432, 8569409), (2944, 7079077), (3254, 6404672), (3496, 5961328), (3664, 5687992), (4351, 4789888), (5267, 3956864), (6508, 3202336), (6992, 2980664), (7328, 2843996), (8702, 2394944), (10534, 1978432), (13016, 1601168), (13984, 1490332), (14656, 1421998), (17404, 1197472), (21068, 989216), (26032, 800584), (27968, 745166), (29312, 710999), (30913, 674176), (34808, 598736), (37421, 556928), (42136, 494608), (52064, 400292), (55936, 372583), (61826, 337088), (69616, 299368), (74842, 278464), (84272, 247304), (100073, 208256), (104128, 200146), (123652, 168544), (139232, 149684)]