20501712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:118

約数の個数: 180

約数和(自身を含む): 73236384

約数和(自身を除く): 52734672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 43, 44, 48, 56, 63, 66, 72, 77, 84, 86, 88, 99, 112, 126, 129, 132, 144, 154, 168, 172, 176, 198, 231, 252, 258, 264, 301, 308, 336, 344, 387, 396, 462, 473, 504, 516, 528, 602, 616, 688, 693, 774, 792, 903, 924, 946, 1008, 1032, 1204, 1232, 1386, 1419, 1548, 1584, 1806, 1848, 1849, 1892, 2064, 2408, 2709, 2772, 2838, 3096, 3311, 3612, 3696, 3698, 3784, 4257, 4816, 5418, 5544, 5547, 5676, 6192, 6622, 7224, 7396, 7568, 8514, 9933, 10836, 11088, 11094, 11352, 12943, 13244, 14448, 14792, 16641, 17028, 19866, 20339, 21672, 22188, 22704, 25886, 26488, 29584, 29799, 33282, 34056, 38829, 39732, 40678, 43344, 44376, 51772, 52976, 59598, 61017, 66564, 68112, 77658, 79464, 81356, 88752, 103544, 116487, 119196, 122034, 133128, 142373, 155316, 158928, 162712, 183051, 207088, 232974, 238392, 244068, 266256, 284746, 310632, 325424, 366102, 427119, 465948, 476784, 488136, 569492, 621264, 732204, 854238, 931896, 976272, 1138984, 1281357, 1464408, 1708476, 1863792, 2277968, 2562714, 2928816, 3416952, 5125428, 6833904, 10250856, 20501712]

約数ペア:

[(1, 20501712), (2, 10250856), (3, 6833904), (4, 5125428), (6, 3416952), (7, 2928816), (8, 2562714), (9, 2277968), (11, 1863792), (12, 1708476), (14, 1464408), (16, 1281357), (18, 1138984), (21, 976272), (22, 931896), (24, 854238), (28, 732204), (33, 621264), (36, 569492), (42, 488136), (43, 476784), (44, 465948), (48, 427119), (56, 366102), (63, 325424), (66, 310632), (72, 284746), (77, 266256), (84, 244068), (86, 238392), (88, 232974), (99, 207088), (112, 183051), (126, 162712), (129, 158928), (132, 155316), (144, 142373), (154, 133128), (168, 122034), (172, 119196), (176, 116487), (198, 103544), (231, 88752), (252, 81356), (258, 79464), (264, 77658), (301, 68112), (308, 66564), (336, 61017), (344, 59598), (387, 52976), (396, 51772), (462, 44376), (473, 43344), (504, 40678), (516, 39732), (528, 38829), (602, 34056), (616, 33282), (688, 29799), (693, 29584), (774, 26488), (792, 25886), (903, 22704), (924, 22188), (946, 21672), (1008, 20339), (1032, 19866), (1204, 17028), (1232, 16641), (1386, 14792), (1419, 14448), (1548, 13244), (1584, 12943), (1806, 11352), (1848, 11094), (1849, 11088), (1892, 10836), (2064, 9933), (2408, 8514), (2709, 7568), (2772, 7396), (2838, 7224), (3096, 6622), (3311, 6192), (3612, 5676), (3696, 5547), (3698, 5544), (3784, 5418), (4257, 4816)]