20648620368

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{159503}}^1$

素因数の和:159577

約数の個数: 120

約数和(自身を含む): 61708907520

約数和(自身を除く): 41060287152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 36, 48, 58, 62, 72, 87, 93, 116, 124, 144, 174, 186, 232, 248, 261, 279, 348, 372, 464, 496, 522, 558, 696, 744, 899, 1044, 1116, 1392, 1488, 1798, 2088, 2232, 2697, 3596, 4176, 4464, 5394, 7192, 8091, 10788, 14384, 16182, 21576, 32364, 43152, 64728, 129456, 159503, 319006, 478509, 638012, 957018, 1276024, 1435527, 1914036, 2552048, 2871054, 3828072, 4625587, 4944593, 5742108, 7656144, 9251174, 9889186, 11484216, 13876761, 14833779, 18502348, 19778372, 22968432, 27753522, 29667558, 37004696, 39556744, 41630283, 44501337, 55507044, 59335116, 74009392, 79113488, 83260566, 89002674, 111014088, 118670232, 143393197, 166521132, 178005348, 222028176, 237340464, 286786394, 333042264, 356010696, 430179591, 573572788, 666084528, 712021392, 860359182, 1147145576, 1290538773, 1720718364, 2294291152, 2581077546, 3441436728, 5162155092, 6882873456, 10324310184, 20648620368]

約数ペア:

[(1, 20648620368), (2, 10324310184), (3, 6882873456), (4, 5162155092), (6, 3441436728), (8, 2581077546), (9, 2294291152), (12, 1720718364), (16, 1290538773), (18, 1147145576), (24, 860359182), (29, 712021392), (31, 666084528), (36, 573572788), (48, 430179591), (58, 356010696), (62, 333042264), (72, 286786394), (87, 237340464), (93, 222028176), (116, 178005348), (124, 166521132), (144, 143393197), (174, 118670232), (186, 111014088), (232, 89002674), (248, 83260566), (261, 79113488), (279, 74009392), (348, 59335116), (372, 55507044), (464, 44501337), (496, 41630283), (522, 39556744), (558, 37004696), (696, 29667558), (744, 27753522), (899, 22968432), (1044, 19778372), (1116, 18502348), (1392, 14833779), (1488, 13876761), (1798, 11484216), (2088, 9889186), (2232, 9251174), (2697, 7656144), (3596, 5742108), (4176, 4944593), (4464, 4625587), (5394, 3828072), (7192, 2871054), (8091, 2552048), (10788, 1914036), (14384, 1435527), (16182, 1276024), (21576, 957018), (32364, 638012), (43152, 478509), (64728, 319006), (129456, 159503)]