20163847509

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 35094035592

約数和(自身を除く): 14930188083

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 53, 81, 117, 153, 159, 221, 351, 401, 459, 477, 663, 689, 901, 1053, 1203, 1377, 1431, 1989, 2067, 2703, 2809, 3609, 4293, 5213, 5967, 6201, 6817, 8109, 8427, 10827, 11713, 15639, 17901, 18603, 20451, 21253, 24327, 25281, 32481, 35139, 36517, 46917, 47753, 55809, 61353, 63759, 72981, 75843, 88621, 105417, 109551, 140751, 143259, 184059, 191277, 227529, 265863, 276289, 316251, 328653, 361301, 422253, 429777, 552177, 573831, 620789, 797589, 828867, 948753, 985959, 1083903, 1126409, 1289331, 1721493, 1862367, 2392767, 2486601, 2957877, 3251709, 3379227, 3867993, 4696913, 5587101, 7178301, 7459803, 9755127, 10137681, 14090739, 14643317, 16761303, 19148953, 22379409, 29265381, 30413043, 42272217, 43929951, 50283909, 57446859, 91239129, 126816651, 131789853, 172340577, 248936389, 380449953, 395369559, 517021731, 746809167, 1186108677, 1551065193, 2240427501, 6721282503, 20163847509]

約数ペア:

[(1, 20163847509), (3, 6721282503), (9, 2240427501), (13, 1551065193), (17, 1186108677), (27, 746809167), (39, 517021731), (51, 395369559), (53, 380449953), (81, 248936389), (117, 172340577), (153, 131789853), (159, 126816651), (221, 91239129), (351, 57446859), (401, 50283909), (459, 43929951), (477, 42272217), (663, 30413043), (689, 29265381), (901, 22379409), (1053, 19148953), (1203, 16761303), (1377, 14643317), (1431, 14090739), (1989, 10137681), (2067, 9755127), (2703, 7459803), (2809, 7178301), (3609, 5587101), (4293, 4696913), (5213, 3867993), (5967, 3379227), (6201, 3251709), (6817, 2957877), (8109, 2486601), (8427, 2392767), (10827, 1862367), (11713, 1721493), (15639, 1289331), (17901, 1126409), (18603, 1083903), (20451, 985959), (21253, 948753), (24327, 828867), (25281, 797589), (32481, 620789), (35139, 573831), (36517, 552177), (46917, 429777), (47753, 422253), (55809, 361301), (61353, 328653), (63759, 316251), (72981, 276289), (75843, 265863), (88621, 227529), (105417, 191277), (109551, 184059), (140751, 143259)]