20512890972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1761

約数の個数: 216

約数和(自身を含む): 62663524560

約数和(自身を除く): 42150633588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 281, 294, 348, 406, 441, 522, 562, 588, 609, 812, 843, 882, 1044, 1124, 1218, 1421, 1427, 1686, 1764, 1827, 1967, 2436, 2529, 2842, 2854, 3372, 3654, 3934, 4263, 4281, 5058, 5684, 5708, 5901, 7308, 7868, 8149, 8526, 8562, 9989, 10116, 11802, 12789, 12843, 13769, 16298, 17052, 17124, 17703, 19978, 23604, 24447, 25578, 25686, 27538, 29967, 32596, 35406, 39956, 41307, 41383, 48894, 51156, 51372, 55076, 57043, 59934, 69923, 70812, 73341, 82614, 82766, 89901, 97788, 114086, 119868, 123921, 124149, 139846, 146682, 165228, 165532, 171129, 179802, 209769, 228172, 247842, 248298, 279692, 289681, 293364, 342258, 359604, 372447, 399301, 400987, 419538, 495684, 496596, 513387, 579362, 629307, 684516, 744894, 798602, 801974, 839076, 869043, 1026774, 1158724, 1197903, 1202961, 1258614, 1489788, 1597204, 1603948, 1738086, 2027767, 2053548, 2395806, 2405922, 2517228, 2607129, 2806909, 3476172, 3593709, 3608883, 4055534, 4791612, 4811844, 5214258, 5613818, 6083301, 7187418, 7217766, 8111068, 8420727, 10428516, 11227636, 11628623, 12166602, 14374836, 14435532, 16841454, 18249903, 19648363, 23257246, 24333204, 25262181, 33682908, 34885869, 36499806, 39296726, 46514492, 50524362, 58945089, 69771738, 72999612, 78593452, 81400361, 101048724, 104657607, 117890178, 139543476, 162800722, 176835267, 209315214, 235780356, 244201083, 325601444, 353670534, 418630428, 488402166, 569802527, 707341068, 732603249, 976804332, 1139605054, 1465206498, 1709407581, 2279210108, 2930412996, 3418815162, 5128222743, 6837630324, 10256445486, 20512890972]

約数ペア:

[(1, 20512890972), (2, 10256445486), (3, 6837630324), (4, 5128222743), (6, 3418815162), (7, 2930412996), (9, 2279210108), (12, 1709407581), (14, 1465206498), (18, 1139605054), (21, 976804332), (28, 732603249), (29, 707341068), (36, 569802527), (42, 488402166), (49, 418630428), (58, 353670534), (63, 325601444), (84, 244201083), (87, 235780356), (98, 209315214), (116, 176835267), (126, 162800722), (147, 139543476), (174, 117890178), (196, 104657607), (203, 101048724), (252, 81400361), (261, 78593452), (281, 72999612), (294, 69771738), (348, 58945089), (406, 50524362), (441, 46514492), (522, 39296726), (562, 36499806), (588, 34885869), (609, 33682908), (812, 25262181), (843, 24333204), (882, 23257246), (1044, 19648363), (1124, 18249903), (1218, 16841454), (1421, 14435532), (1427, 14374836), (1686, 12166602), (1764, 11628623), (1827, 11227636), (1967, 10428516), (2436, 8420727), (2529, 8111068), (2842, 7217766), (2854, 7187418), (3372, 6083301), (3654, 5613818), (3934, 5214258), (4263, 4811844), (4281, 4791612), (5058, 4055534), (5684, 3608883), (5708, 3593709), (5901, 3476172), (7308, 2806909), (7868, 2607129), (8149, 2517228), (8526, 2405922), (8562, 2395806), (9989, 2053548), (10116, 2027767), (11802, 1738086), (12789, 1603948), (12843, 1597204), (13769, 1489788), (16298, 1258614), (17052, 1202961), (17124, 1197903), (17703, 1158724), (19978, 1026774), (23604, 869043), (24447, 839076), (25578, 801974), (25686, 798602), (27538, 744894), (29967, 684516), (32596, 629307), (35406, 579362), (39956, 513387), (41307, 496596), (41383, 495684), (48894, 419538), (51156, 400987), (51372, 399301), (55076, 372447), (57043, 359604), (59934, 342258), (69923, 293364), (70812, 289681), (73341, 279692), (82614, 248298), (82766, 247842), (89901, 228172), (97788, 209769), (114086, 179802), (119868, 171129), (123921, 165532), (124149, 165228), (139846, 146682)]