20173677920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{8677}}^1$

素因数の和:10024

約数の個数: 96

約数和(自身を含む): 52038425376

約数和(自身を除く): 31864747456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1321, 1760, 2642, 5284, 6605, 8677, 10568, 13210, 14531, 17354, 21136, 26420, 29062, 34708, 42272, 43385, 52840, 58124, 69416, 72655, 86770, 95447, 105680, 116248, 138832, 145310, 173540, 190894, 211360, 232496, 277664, 290620, 347080, 381788, 464992, 477235, 581240, 694160, 763576, 954470, 1162480, 1388320, 1527152, 1908940, 2324960, 3054304, 3817880, 7635760, 11462317, 15271520, 22924634, 45849268, 57311585, 91698536, 114623170, 126085487, 183397072, 229246340, 252170974, 366794144, 458492680, 504341948, 630427435, 916985360, 1008683896, 1260854870, 1833970720, 2017367792, 2521709740, 4034735584, 5043419480, 10086838960, 20173677920]

約数ペア:

[(1, 20173677920), (2, 10086838960), (4, 5043419480), (5, 4034735584), (8, 2521709740), (10, 2017367792), (11, 1833970720), (16, 1260854870), (20, 1008683896), (22, 916985360), (32, 630427435), (40, 504341948), (44, 458492680), (55, 366794144), (80, 252170974), (88, 229246340), (110, 183397072), (160, 126085487), (176, 114623170), (220, 91698536), (352, 57311585), (440, 45849268), (880, 22924634), (1321, 15271520), (1760, 11462317), (2642, 7635760), (5284, 3817880), (6605, 3054304), (8677, 2324960), (10568, 1908940), (13210, 1527152), (14531, 1388320), (17354, 1162480), (21136, 954470), (26420, 763576), (29062, 694160), (34708, 581240), (42272, 477235), (43385, 464992), (52840, 381788), (58124, 347080), (69416, 290620), (72655, 277664), (86770, 232496), (95447, 211360), (105680, 190894), (116248, 173540), (138832, 145310)]