20797714791

素因数分解:

$3^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 160

約数和(自身を含む): 38054016000

約数和(自身を除く): 17256301209

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 83, 87, 147, 189, 203, 249, 261, 311, 343, 441, 567, 581, 609, 747, 783, 933, 1029, 1323, 1421, 1743, 1827, 2177, 2241, 2349, 2407, 2799, 3087, 3969, 4067, 4263, 5229, 5481, 6531, 6723, 7221, 8397, 9019, 9261, 9947, 12201, 12789, 15239, 15687, 16443, 16849, 19593, 21663, 25191, 25813, 27057, 27783, 28469, 29841, 36603, 38367, 45717, 47061, 50547, 58779, 63133, 64989, 77439, 81171, 85407, 89523, 106673, 109809, 115101, 117943, 137151, 151641, 176337, 180691, 189399, 194967, 232317, 243513, 256221, 268569, 320019, 329427, 353829, 411453, 441931, 454923, 542073, 568197, 696951, 730539, 748577, 768663, 805707, 825601, 960057, 1061487, 1234359, 1264837, 1325793, 1364769, 1626219, 1704591, 2090853, 2245731, 2305989, 2476803, 2880171, 3093517, 3184461, 3794511, 3977379, 4878657, 5113773, 5240039, 6737193, 7430409, 8640513, 8853859, 9280551, 9553383, 11383533, 11932137, 14635971, 15720117, 20211579, 22291227, 26561577, 27841653, 34150599, 35796411, 36680273, 47160351, 60634737, 66873681, 79684731, 83524959, 102451797, 110040819, 141481053, 239054193, 250574877, 256761911, 330122457, 424443159, 717162579, 770285733, 990367371, 2310857199, 2971102113, 6932571597, 20797714791]

約数ペア:

[(1, 20797714791), (3, 6932571597), (7, 2971102113), (9, 2310857199), (21, 990367371), (27, 770285733), (29, 717162579), (49, 424443159), (63, 330122457), (81, 256761911), (83, 250574877), (87, 239054193), (147, 141481053), (189, 110040819), (203, 102451797), (249, 83524959), (261, 79684731), (311, 66873681), (343, 60634737), (441, 47160351), (567, 36680273), (581, 35796411), (609, 34150599), (747, 27841653), (783, 26561577), (933, 22291227), (1029, 20211579), (1323, 15720117), (1421, 14635971), (1743, 11932137), (1827, 11383533), (2177, 9553383), (2241, 9280551), (2349, 8853859), (2407, 8640513), (2799, 7430409), (3087, 6737193), (3969, 5240039), (4067, 5113773), (4263, 4878657), (5229, 3977379), (5481, 3794511), (6531, 3184461), (6723, 3093517), (7221, 2880171), (8397, 2476803), (9019, 2305989), (9261, 2245731), (9947, 2090853), (12201, 1704591), (12789, 1626219), (15239, 1364769), (15687, 1325793), (16443, 1264837), (16849, 1234359), (19593, 1061487), (21663, 960057), (25191, 825601), (25813, 805707), (27057, 768663), (27783, 748577), (28469, 730539), (29841, 696951), (36603, 568197), (38367, 542073), (45717, 454923), (47061, 441931), (50547, 411453), (58779, 353829), (63133, 329427), (64989, 320019), (77439, 268569), (81171, 256221), (85407, 243513), (89523, 232317), (106673, 194967), (109809, 189399), (115101, 180691), (117943, 176337), (137151, 151641)]