20786074119

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 35754048000

約数和(自身を除く): 14967973881

約数列:

[1, 3, 9, 19, 23, 27, 37, 57, 59, 69, 81, 111, 171, 177, 207, 269, 333, 437, 513, 531, 621, 703, 807, 851, 999, 1121, 1311, 1357, 1539, 1593, 1863, 2109, 2183, 2421, 2553, 2997, 3363, 3933, 4071, 4779, 5111, 6187, 6327, 6549, 7263, 7659, 9953, 10089, 11799, 12213, 15333, 15871, 16169, 18561, 18981, 19647, 21789, 22977, 25783, 29859, 30267, 35397, 36639, 41477, 45999, 47613, 48507, 50209, 55683, 56943, 58941, 68931, 77349, 89577, 90801, 109917, 117553, 124431, 137997, 142839, 145521, 150627, 167049, 176823, 189107, 228919, 232047, 268731, 301549, 352659, 365033, 373293, 413991, 428517, 436563, 451881, 501147, 567321, 587227, 686757, 696141, 806193, 904647, 953971, 1057977, 1095099, 1119879, 1285551, 1309689, 1355643, 1701963, 1761681, 2060271, 2088423, 2713941, 2861913, 3173931, 3285297, 3359637, 4066929, 4349461, 5105889, 5285043, 6180813, 6935627, 8141823, 8585739, 9521793, 9855891, 11157313, 13048383, 13506221, 15317667, 15855129, 18542439, 20806881, 24425469, 25757217, 29567673, 33471939, 39145149, 40518663, 47565387, 62420643, 77271651, 100415817, 117435447, 121555989, 187261929, 256618199, 301247451, 352306341, 364667967, 561785787, 769854597, 903742353, 1094003901, 2309563791, 6928691373, 20786074119]

約数ペア:

[(1, 20786074119), (3, 6928691373), (9, 2309563791), (19, 1094003901), (23, 903742353), (27, 769854597), (37, 561785787), (57, 364667967), (59, 352306341), (69, 301247451), (81, 256618199), (111, 187261929), (171, 121555989), (177, 117435447), (207, 100415817), (269, 77271651), (333, 62420643), (437, 47565387), (513, 40518663), (531, 39145149), (621, 33471939), (703, 29567673), (807, 25757217), (851, 24425469), (999, 20806881), (1121, 18542439), (1311, 15855129), (1357, 15317667), (1539, 13506221), (1593, 13048383), (1863, 11157313), (2109, 9855891), (2183, 9521793), (2421, 8585739), (2553, 8141823), (2997, 6935627), (3363, 6180813), (3933, 5285043), (4071, 5105889), (4779, 4349461), (5111, 4066929), (6187, 3359637), (6327, 3285297), (6549, 3173931), (7263, 2861913), (7659, 2713941), (9953, 2088423), (10089, 2060271), (11799, 1761681), (12213, 1701963), (15333, 1355643), (15871, 1309689), (16169, 1285551), (18561, 1119879), (18981, 1095099), (19647, 1057977), (21789, 953971), (22977, 904647), (25783, 806193), (29859, 696141), (30267, 686757), (35397, 587227), (36639, 567321), (41477, 501147), (45999, 451881), (47613, 436563), (48507, 428517), (50209, 413991), (55683, 373293), (56943, 365033), (58941, 352659), (68931, 301549), (77349, 268731), (89577, 232047), (90801, 228919), (109917, 189107), (117553, 176823), (124431, 167049), (137997, 150627), (142839, 145521)]