20789244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 62415360

約数和(自身を除く): 41626116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 107, 108, 126, 189, 214, 252, 257, 321, 378, 428, 514, 642, 749, 756, 771, 963, 1028, 1284, 1498, 1542, 1799, 1926, 2247, 2313, 2889, 2996, 3084, 3598, 3852, 4494, 4626, 5397, 5778, 6741, 6939, 7196, 8988, 9252, 10794, 11556, 13482, 13878, 16191, 20223, 21588, 26964, 27499, 27756, 32382, 40446, 48573, 54998, 64764, 80892, 82497, 97146, 109996, 164994, 192493, 194292, 247491, 329988, 384986, 494982, 577479, 742473, 769972, 989964, 1154958, 1484946, 1732437, 2309916, 2969892, 3464874, 5197311, 6929748, 10394622, 20789244]

約数ペア:

[(1, 20789244), (2, 10394622), (3, 6929748), (4, 5197311), (6, 3464874), (7, 2969892), (9, 2309916), (12, 1732437), (14, 1484946), (18, 1154958), (21, 989964), (27, 769972), (28, 742473), (36, 577479), (42, 494982), (54, 384986), (63, 329988), (84, 247491), (107, 194292), (108, 192493), (126, 164994), (189, 109996), (214, 97146), (252, 82497), (257, 80892), (321, 64764), (378, 54998), (428, 48573), (514, 40446), (642, 32382), (749, 27756), (756, 27499), (771, 26964), (963, 21588), (1028, 20223), (1284, 16191), (1498, 13878), (1542, 13482), (1799, 11556), (1926, 10794), (2247, 9252), (2313, 8988), (2889, 7196), (2996, 6939), (3084, 6741), (3598, 5778), (3852, 5397), (4494, 4626)]