20842360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 59927040

約数和(自身を除く): 39084680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 101, 110, 134, 140, 154, 202, 220, 268, 280, 308, 335, 385, 404, 440, 469, 505, 536, 616, 670, 707, 737, 770, 808, 938, 1010, 1111, 1340, 1414, 1474, 1540, 1876, 2020, 2222, 2345, 2680, 2828, 2948, 3080, 3535, 3685, 3752, 4040, 4444, 4690, 5159, 5555, 5656, 5896, 6767, 7070, 7370, 7777, 8888, 9380, 10318, 11110, 13534, 14140, 14740, 15554, 18760, 20636, 22220, 25795, 27068, 28280, 29480, 31108, 33835, 38885, 41272, 44440, 47369, 51590, 54136, 62216, 67670, 74437, 77770, 94738, 103180, 135340, 148874, 155540, 189476, 206360, 236845, 270680, 297748, 311080, 372185, 378952, 473690, 521059, 595496, 744370, 947380, 1042118, 1488740, 1894760, 2084236, 2605295, 2977480, 4168472, 5210590, 10421180, 20842360]

約数ペア:

[(1, 20842360), (2, 10421180), (4, 5210590), (5, 4168472), (7, 2977480), (8, 2605295), (10, 2084236), (11, 1894760), (14, 1488740), (20, 1042118), (22, 947380), (28, 744370), (35, 595496), (40, 521059), (44, 473690), (55, 378952), (56, 372185), (67, 311080), (70, 297748), (77, 270680), (88, 236845), (101, 206360), (110, 189476), (134, 155540), (140, 148874), (154, 135340), (202, 103180), (220, 94738), (268, 77770), (280, 74437), (308, 67670), (335, 62216), (385, 54136), (404, 51590), (440, 47369), (469, 44440), (505, 41272), (536, 38885), (616, 33835), (670, 31108), (707, 29480), (737, 28280), (770, 27068), (808, 25795), (938, 22220), (1010, 20636), (1111, 18760), (1340, 15554), (1414, 14740), (1474, 14140), (1540, 13534), (1876, 11110), (2020, 10318), (2222, 9380), (2345, 8888), (2680, 7777), (2828, 7370), (2948, 7070), (3080, 6767), (3535, 5896), (3685, 5656), (3752, 5555), (4040, 5159), (4444, 4690)]