20187561009

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:193

約数の個数: 256

約数和(自身を含む): 38522880000

約数和(自身を除く): 18335318991

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 43, 49, 57, 59, 77, 111, 129, 133, 147, 177, 209, 231, 259, 301, 343, 399, 407, 413, 473, 539, 627, 649, 703, 777, 817, 903, 931, 1029, 1121, 1221, 1239, 1419, 1463, 1591, 1617, 1813, 1947, 2107, 2109, 2183, 2451, 2537, 2793, 2849, 2891, 3311, 3363, 3773, 4389, 4543, 4773, 4921, 5439, 5719, 6321, 6517, 6549, 7611, 7733, 7847, 8547, 8673, 8987, 9933, 10241, 11137, 11319, 12331, 12691, 13629, 14749, 14763, 15281, 17157, 17501, 17759, 19551, 19943, 20237, 23177, 23199, 23541, 24013, 26961, 27907, 30229, 30723, 31801, 33411, 34447, 36993, 38073, 40033, 41477, 44247, 45843, 48203, 52503, 53277, 54131, 54929, 59829, 60711, 62909, 69531, 71687, 72039, 77959, 83721, 86317, 90687, 93869, 95403, 103341, 106967, 120099, 122507, 124313, 124431, 139601, 144609, 162239, 162393, 164787, 168091, 188727, 195349, 211603, 215061, 222607, 233877, 241129, 258951, 280231, 281607, 290339, 320901, 332519, 337421, 367521, 372939, 378917, 384503, 418803, 440363, 456247, 486717, 504273, 530233, 545713, 586047, 604219, 634809, 657083, 667821, 723387, 748769, 840693, 857549, 870191, 871017, 997557, 1012263, 1032559, 1136751, 1153509, 1176637, 1321089, 1367443, 1368741, 1481221, 1590699, 1637139, 1783511, 1812657, 1971249, 2032373, 2246307, 2327633, 2361947, 2572647, 2610573, 2652419, 3082541, 3097677, 3193729, 3529911, 3711631, 4102329, 4229533, 4443663, 4599581, 5350533, 6002843, 6097119, 6982899, 7085841, 7227913, 7957257, 8236459, 9247623, 9572101, 9581187, 10368547, 11134893, 12484577, 12688599, 13798743, 14226611, 16293431, 16533629, 18008529, 19618621, 21683739, 22356103, 24709377, 25981417, 28716303, 31105641, 32197067, 37453731, 42679833, 48880293, 49600887, 50595391, 58855863, 67068309, 77944251, 87392039, 96591201, 114054017, 137330347, 151786173, 156492721, 181869919, 262176117, 342162051, 354167737, 411991041, 469478163, 545609757, 611744273, 961312429, 1062503211, 1835232819, 2883937287, 6729187003, 20187561009]

約数ペア:

[(1, 20187561009), (3, 6729187003), (7, 2883937287), (11, 1835232819), (19, 1062503211), (21, 961312429), (33, 611744273), (37, 545609757), (43, 469478163), (49, 411991041), (57, 354167737), (59, 342162051), (77, 262176117), (111, 181869919), (129, 156492721), (133, 151786173), (147, 137330347), (177, 114054017), (209, 96591201), (231, 87392039), (259, 77944251), (301, 67068309), (343, 58855863), (399, 50595391), (407, 49600887), (413, 48880293), (473, 42679833), (539, 37453731), (627, 32197067), (649, 31105641), (703, 28716303), (777, 25981417), (817, 24709377), (903, 22356103), (931, 21683739), (1029, 19618621), (1121, 18008529), (1221, 16533629), (1239, 16293431), (1419, 14226611), (1463, 13798743), (1591, 12688599), (1617, 12484577), (1813, 11134893), (1947, 10368547), (2107, 9581187), (2109, 9572101), (2183, 9247623), (2451, 8236459), (2537, 7957257), (2793, 7227913), (2849, 7085841), (2891, 6982899), (3311, 6097119), (3363, 6002843), (3773, 5350533), (4389, 4599581), (4543, 4443663), (4773, 4229533), (4921, 4102329), (5439, 3711631), (5719, 3529911), (6321, 3193729), (6517, 3097677), (6549, 3082541), (7611, 2652419), (7733, 2610573), (7847, 2572647), (8547, 2361947), (8673, 2327633), (8987, 2246307), (9933, 2032373), (10241, 1971249), (11137, 1812657), (11319, 1783511), (12331, 1637139), (12691, 1590699), (13629, 1481221), (14749, 1368741), (14763, 1367443), (15281, 1321089), (17157, 1176637), (17501, 1153509), (17759, 1136751), (19551, 1032559), (19943, 1012263), (20237, 997557), (23177, 871017), (23199, 870191), (23541, 857549), (24013, 840693), (26961, 748769), (27907, 723387), (30229, 667821), (30723, 657083), (31801, 634809), (33411, 604219), (34447, 586047), (36993, 545713), (38073, 530233), (40033, 504273), (41477, 486717), (44247, 456247), (45843, 440363), (48203, 418803), (52503, 384503), (53277, 378917), (54131, 372939), (54929, 367521), (59829, 337421), (60711, 332519), (62909, 320901), (69531, 290339), (71687, 281607), (72039, 280231), (77959, 258951), (83721, 241129), (86317, 233877), (90687, 222607), (93869, 215061), (95403, 211603), (103341, 195349), (106967, 188727), (120099, 168091), (122507, 164787), (124313, 162393), (124431, 162239), (139601, 144609)]