20389804260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{81047}}^1$

素因数の和:81665

約数の個数: 96

約数和(自身を含む): 65357107200

約数和(自身を除く): 44967302940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 599, 1198, 1797, 2396, 2995, 3594, 4193, 5990, 7188, 8386, 8985, 11980, 12579, 16772, 17970, 20965, 25158, 35940, 41930, 50316, 62895, 81047, 83860, 125790, 162094, 243141, 251580, 324188, 405235, 486282, 567329, 810470, 972564, 1134658, 1215705, 1620940, 1701987, 2269316, 2431410, 2836645, 3403974, 4862820, 5673290, 6807948, 8509935, 11346580, 17019870, 34039740, 48547153, 97094306, 145641459, 194188612, 242735765, 291282918, 339830071, 485471530, 582565836, 679660142, 728207295, 970943060, 1019490213, 1359320284, 1456414590, 1699150355, 2038980426, 2912829180, 3398300710, 4077960852, 5097451065, 6796601420, 10194902130, 20389804260]

約数ペア:

[(1, 20389804260), (2, 10194902130), (3, 6796601420), (4, 5097451065), (5, 4077960852), (6, 3398300710), (7, 2912829180), (10, 2038980426), (12, 1699150355), (14, 1456414590), (15, 1359320284), (20, 1019490213), (21, 970943060), (28, 728207295), (30, 679660142), (35, 582565836), (42, 485471530), (60, 339830071), (70, 291282918), (84, 242735765), (105, 194188612), (140, 145641459), (210, 97094306), (420, 48547153), (599, 34039740), (1198, 17019870), (1797, 11346580), (2396, 8509935), (2995, 6807948), (3594, 5673290), (4193, 4862820), (5990, 3403974), (7188, 2836645), (8386, 2431410), (8985, 2269316), (11980, 1701987), (12579, 1620940), (16772, 1215705), (17970, 1134658), (20965, 972564), (25158, 810470), (35940, 567329), (41930, 486282), (50316, 405235), (62895, 324188), (81047, 251580), (83860, 243141), (125790, 162094)]