20017001368

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:514

約数の個数: 192

約数和(自身を含む): 47932093440

約数和(自身を除く): 27915092072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 127, 157, 182, 196, 197, 254, 314, 364, 392, 394, 508, 628, 637, 728, 788, 889, 1016, 1099, 1256, 1274, 1379, 1576, 1651, 1778, 2041, 2198, 2548, 2561, 2758, 3302, 3556, 4082, 4396, 5096, 5122, 5516, 6223, 6604, 7112, 7693, 8164, 8792, 9653, 10244, 11032, 11557, 12446, 13208, 14287, 15386, 16328, 17927, 19306, 19939, 20488, 23114, 24892, 25019, 28574, 30772, 30929, 35854, 38612, 39878, 46228, 49784, 50038, 57148, 61544, 61858, 71708, 77224, 79756, 80899, 92456, 100009, 100076, 114296, 123716, 125489, 139573, 143416, 159512, 161798, 175133, 200018, 200152, 216503, 247432, 250978, 259207, 279146, 323596, 325247, 350266, 400036, 402077, 433006, 501956, 518414, 558292, 647192, 650494, 700532, 800072, 804154, 866012, 977011, 1003912, 1036828, 1116584, 1225931, 1300988, 1401064, 1515521, 1608308, 1732024, 1814449, 1954022, 2073656, 2276729, 2451862, 2601976, 2814539, 3031042, 3216616, 3628898, 3908044, 3927983, 4553458, 4903724, 5629078, 6062084, 7257796, 7816088, 7855966, 9106916, 9807448, 11258156, 12124168, 12701143, 14515592, 15711932, 15937103, 18213832, 19701773, 22516312, 25402286, 27495881, 31423864, 31874206, 39403546, 50804572, 51063779, 54991762, 63748412, 78807092, 101609144, 102127558, 109983524, 127496824, 157614184, 192471167, 204255116, 219967048, 357446453, 384942334, 408510232, 714892906, 769884668, 1429785812, 1539769336, 2502125171, 2859571624, 5004250342, 10008500684, 20017001368]

約数ペア:

[(1, 20017001368), (2, 10008500684), (4, 5004250342), (7, 2859571624), (8, 2502125171), (13, 1539769336), (14, 1429785812), (26, 769884668), (28, 714892906), (49, 408510232), (52, 384942334), (56, 357446453), (91, 219967048), (98, 204255116), (104, 192471167), (127, 157614184), (157, 127496824), (182, 109983524), (196, 102127558), (197, 101609144), (254, 78807092), (314, 63748412), (364, 54991762), (392, 51063779), (394, 50804572), (508, 39403546), (628, 31874206), (637, 31423864), (728, 27495881), (788, 25402286), (889, 22516312), (1016, 19701773), (1099, 18213832), (1256, 15937103), (1274, 15711932), (1379, 14515592), (1576, 12701143), (1651, 12124168), (1778, 11258156), (2041, 9807448), (2198, 9106916), (2548, 7855966), (2561, 7816088), (2758, 7257796), (3302, 6062084), (3556, 5629078), (4082, 4903724), (4396, 4553458), (5096, 3927983), (5122, 3908044), (5516, 3628898), (6223, 3216616), (6604, 3031042), (7112, 2814539), (7693, 2601976), (8164, 2451862), (8792, 2276729), (9653, 2073656), (10244, 1954022), (11032, 1814449), (11557, 1732024), (12446, 1608308), (13208, 1515521), (14287, 1401064), (15386, 1300988), (16328, 1225931), (17927, 1116584), (19306, 1036828), (19939, 1003912), (20488, 977011), (23114, 866012), (24892, 804154), (25019, 800072), (28574, 700532), (30772, 650494), (30929, 647192), (35854, 558292), (38612, 518414), (39878, 501956), (46228, 433006), (49784, 402077), (50038, 400036), (57148, 350266), (61544, 325247), (61858, 323596), (71708, 279146), (77224, 259207), (79756, 250978), (80899, 247432), (92456, 216503), (100009, 200152), (100076, 200018), (114296, 175133), (123716, 161798), (125489, 159512), (139573, 143416)]