20667984

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 56579712

約数和(自身を除く): 35911728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 97, 138, 184, 193, 194, 276, 291, 368, 386, 388, 552, 579, 582, 772, 776, 1104, 1158, 1164, 1544, 1552, 2231, 2316, 2328, 3088, 4439, 4462, 4632, 4656, 6693, 8878, 8924, 9264, 13317, 13386, 17756, 17848, 18721, 26634, 26772, 35512, 35696, 37442, 53268, 53544, 56163, 71024, 74884, 106536, 107088, 112326, 149768, 213072, 224652, 299536, 430583, 449304, 861166, 898608, 1291749, 1722332, 2583498, 3444664, 5166996, 6889328, 10333992, 20667984]

約数ペア:

[(1, 20667984), (2, 10333992), (3, 6889328), (4, 5166996), (6, 3444664), (8, 2583498), (12, 1722332), (16, 1291749), (23, 898608), (24, 861166), (46, 449304), (48, 430583), (69, 299536), (92, 224652), (97, 213072), (138, 149768), (184, 112326), (193, 107088), (194, 106536), (276, 74884), (291, 71024), (368, 56163), (386, 53544), (388, 53268), (552, 37442), (579, 35696), (582, 35512), (772, 26772), (776, 26634), (1104, 18721), (1158, 17848), (1164, 17756), (1544, 13386), (1552, 13317), (2231, 9264), (2316, 8924), (2328, 8878), (3088, 6693), (4439, 4656), (4462, 4632)]