20436697908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{967}}^1$

素因数の和:1714

約数の個数: 144

約数和(自身を含む): 57182501376

約数和(自身を除く): 36745803468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 83, 99, 132, 166, 198, 249, 332, 396, 498, 643, 747, 913, 967, 996, 1286, 1494, 1826, 1929, 1934, 2572, 2739, 2901, 2988, 3652, 3858, 3868, 5478, 5787, 5802, 7073, 7716, 8217, 8703, 10637, 10956, 11574, 11604, 14146, 16434, 17406, 21219, 21274, 23148, 28292, 31911, 32868, 34812, 42438, 42548, 53369, 63657, 63822, 80261, 84876, 95733, 106738, 127314, 127644, 160107, 160522, 191466, 213476, 240783, 254628, 320214, 321044, 382932, 480321, 481566, 587059, 621781, 640428, 722349, 882871, 960642, 963132, 1174118, 1243562, 1444698, 1761177, 1765742, 1865343, 1921284, 2348236, 2487124, 2648613, 2889396, 3522354, 3531484, 3730686, 5283531, 5297226, 5596029, 6839591, 7044708, 7461372, 7945839, 10567062, 10594452, 11192058, 13679182, 15891678, 20518773, 21134124, 22384116, 27358364, 31783356, 41037546, 51607823, 61556319, 82075092, 103215646, 123112638, 154823469, 206431292, 246225276, 309646938, 464470407, 567686053, 619293876, 928940814, 1135372106, 1703058159, 1857881628, 2270744212, 3406116318, 5109174477, 6812232636, 10218348954, 20436697908]

約数ペア:

[(1, 20436697908), (2, 10218348954), (3, 6812232636), (4, 5109174477), (6, 3406116318), (9, 2270744212), (11, 1857881628), (12, 1703058159), (18, 1135372106), (22, 928940814), (33, 619293876), (36, 567686053), (44, 464470407), (66, 309646938), (83, 246225276), (99, 206431292), (132, 154823469), (166, 123112638), (198, 103215646), (249, 82075092), (332, 61556319), (396, 51607823), (498, 41037546), (643, 31783356), (747, 27358364), (913, 22384116), (967, 21134124), (996, 20518773), (1286, 15891678), (1494, 13679182), (1826, 11192058), (1929, 10594452), (1934, 10567062), (2572, 7945839), (2739, 7461372), (2901, 7044708), (2988, 6839591), (3652, 5596029), (3858, 5297226), (3868, 5283531), (5478, 3730686), (5787, 3531484), (5802, 3522354), (7073, 2889396), (7716, 2648613), (8217, 2487124), (8703, 2348236), (10637, 1921284), (10956, 1865343), (11574, 1765742), (11604, 1761177), (14146, 1444698), (16434, 1243562), (17406, 1174118), (21219, 963132), (21274, 960642), (23148, 882871), (28292, 722349), (31911, 640428), (32868, 621781), (34812, 587059), (42438, 481566), (42548, 480321), (53369, 382932), (63657, 321044), (63822, 320214), (80261, 254628), (84876, 240783), (95733, 213476), (106738, 191466), (127314, 160522), (127644, 160107)]