20781646872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16651}}^1$

素因数の和:16726

約数の個数: 256

約数和(自身を含む): 69059174400

約数和(自身を除く): 48277527528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 23, 24, 28, 34, 38, 42, 46, 51, 56, 57, 68, 69, 76, 84, 92, 102, 114, 119, 133, 136, 138, 152, 161, 168, 184, 204, 228, 238, 266, 276, 322, 323, 357, 391, 399, 408, 437, 456, 476, 483, 532, 552, 644, 646, 714, 782, 798, 874, 952, 966, 969, 1064, 1173, 1288, 1292, 1311, 1428, 1564, 1596, 1748, 1932, 1938, 2261, 2346, 2584, 2622, 2737, 2856, 3059, 3128, 3192, 3496, 3864, 3876, 4522, 4692, 5244, 5474, 6118, 6783, 7429, 7752, 8211, 9044, 9177, 9384, 10488, 10948, 12236, 13566, 14858, 16422, 16651, 18088, 18354, 21896, 22287, 24472, 27132, 29716, 32844, 33302, 36708, 44574, 49953, 52003, 54264, 59432, 65688, 66604, 73416, 89148, 99906, 104006, 116557, 133208, 156009, 178296, 199812, 208012, 233114, 283067, 312018, 316369, 349671, 382973, 399624, 416024, 466228, 566134, 624036, 632738, 699342, 765946, 849201, 932456, 949107, 1132268, 1148919, 1248072, 1265476, 1398684, 1531892, 1698402, 1898214, 1981469, 2214583, 2264536, 2297838, 2530952, 2680811, 2797368, 3063784, 3396804, 3796428, 3962938, 4429166, 4595676, 5361622, 5378273, 5944407, 6510541, 6643749, 6793608, 7276487, 7592856, 7925876, 8042433, 8858332, 9191352, 10723244, 10756546, 11888814, 13021082, 13287498, 14552974, 15851752, 16084866, 16134819, 17716664, 19531623, 21446488, 21513092, 21829461, 23777628, 26042164, 26574996, 29105948, 32169732, 32269638, 37647911, 39063246, 43026184, 43658922, 45573787, 47555256, 50935409, 52084328, 53149992, 58211896, 64339464, 64539276, 75295822, 78126492, 87317844, 91147574, 101870818, 112943733, 123700279, 129078552, 136721361, 150591644, 152806227, 156252984, 174635688, 182295148, 203741636, 225887466, 247400558, 273442722, 301183288, 305612454, 364590296, 371100837, 407483272, 451774932, 494801116, 546885444, 611224908, 742201674, 865901953, 903549864, 989602232, 1093770888, 1222449816, 1484403348, 1731803906, 2597705859, 2968806696, 3463607812, 5195411718, 6927215624, 10390823436, 20781646872]

約数ペア:

[(1, 20781646872), (2, 10390823436), (3, 6927215624), (4, 5195411718), (6, 3463607812), (7, 2968806696), (8, 2597705859), (12, 1731803906), (14, 1484403348), (17, 1222449816), (19, 1093770888), (21, 989602232), (23, 903549864), (24, 865901953), (28, 742201674), (34, 611224908), (38, 546885444), (42, 494801116), (46, 451774932), (51, 407483272), (56, 371100837), (57, 364590296), (68, 305612454), (69, 301183288), (76, 273442722), (84, 247400558), (92, 225887466), (102, 203741636), (114, 182295148), (119, 174635688), (133, 156252984), (136, 152806227), (138, 150591644), (152, 136721361), (161, 129078552), (168, 123700279), (184, 112943733), (204, 101870818), (228, 91147574), (238, 87317844), (266, 78126492), (276, 75295822), (322, 64539276), (323, 64339464), (357, 58211896), (391, 53149992), (399, 52084328), (408, 50935409), (437, 47555256), (456, 45573787), (476, 43658922), (483, 43026184), (532, 39063246), (552, 37647911), (644, 32269638), (646, 32169732), (714, 29105948), (782, 26574996), (798, 26042164), (874, 23777628), (952, 21829461), (966, 21513092), (969, 21446488), (1064, 19531623), (1173, 17716664), (1288, 16134819), (1292, 16084866), (1311, 15851752), (1428, 14552974), (1564, 13287498), (1596, 13021082), (1748, 11888814), (1932, 10756546), (1938, 10723244), (2261, 9191352), (2346, 8858332), (2584, 8042433), (2622, 7925876), (2737, 7592856), (2856, 7276487), (3059, 6793608), (3128, 6643749), (3192, 6510541), (3496, 5944407), (3864, 5378273), (3876, 5361622), (4522, 4595676), (4692, 4429166), (5244, 3962938), (5474, 3796428), (6118, 3396804), (6783, 3063784), (7429, 2797368), (7752, 2680811), (8211, 2530952), (9044, 2297838), (9177, 2264536), (9384, 2214583), (10488, 1981469), (10948, 1898214), (12236, 1698402), (13566, 1531892), (14858, 1398684), (16422, 1265476), (16651, 1248072), (18088, 1148919), (18354, 1132268), (21896, 949107), (22287, 932456), (24472, 849201), (27132, 765946), (29716, 699342), (32844, 632738), (33302, 624036), (36708, 566134), (44574, 466228), (49953, 416024), (52003, 399624), (54264, 382973), (59432, 349671), (65688, 316369), (66604, 312018), (73416, 283067), (89148, 233114), (99906, 208012), (104006, 199812), (116557, 178296), (133208, 156009)]