20168565156

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{1301}}^1$

素因数の和:1850

約数の個数: 144

約数和(自身を含む): 54596505600

約数和(自身を除く): 34427940444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 479, 522, 558, 899, 958, 1044, 1116, 1301, 1437, 1798, 1916, 2602, 2697, 2874, 3596, 3903, 4311, 5204, 5394, 5748, 7806, 8091, 8622, 10788, 11709, 13891, 14849, 15612, 16182, 17244, 23418, 27782, 29698, 32364, 37729, 40331, 41673, 44547, 46836, 55564, 59396, 75458, 80662, 83346, 89094, 113187, 120993, 125019, 133641, 150916, 161324, 166692, 178188, 226374, 241986, 250038, 267282, 339561, 362979, 430621, 452748, 483972, 500076, 534564, 623179, 679122, 725958, 861242, 1169599, 1246358, 1291863, 1358244, 1451916, 1722484, 1869537, 2339198, 2492716, 2583726, 3508797, 3739074, 3875589, 4678396, 5167452, 5608611, 7017594, 7478148, 7751178, 10526391, 11217222, 14035188, 15502356, 18072191, 19318549, 21052782, 22434444, 36144382, 38637098, 42105564, 54216573, 57955647, 72288764, 77274196, 108433146, 115911294, 162649719, 173866941, 216866292, 231822588, 325299438, 347733882, 560237921, 650598876, 695467764, 1120475842, 1680713763, 2240951684, 3361427526, 5042141289, 6722855052, 10084282578, 20168565156]

約数ペア:

[(1, 20168565156), (2, 10084282578), (3, 6722855052), (4, 5042141289), (6, 3361427526), (9, 2240951684), (12, 1680713763), (18, 1120475842), (29, 695467764), (31, 650598876), (36, 560237921), (58, 347733882), (62, 325299438), (87, 231822588), (93, 216866292), (116, 173866941), (124, 162649719), (174, 115911294), (186, 108433146), (261, 77274196), (279, 72288764), (348, 57955647), (372, 54216573), (479, 42105564), (522, 38637098), (558, 36144382), (899, 22434444), (958, 21052782), (1044, 19318549), (1116, 18072191), (1301, 15502356), (1437, 14035188), (1798, 11217222), (1916, 10526391), (2602, 7751178), (2697, 7478148), (2874, 7017594), (3596, 5608611), (3903, 5167452), (4311, 4678396), (5204, 3875589), (5394, 3739074), (5748, 3508797), (7806, 2583726), (8091, 2492716), (8622, 2339198), (10788, 1869537), (11709, 1722484), (13891, 1451916), (14849, 1358244), (15612, 1291863), (16182, 1246358), (17244, 1169599), (23418, 861242), (27782, 725958), (29698, 679122), (32364, 623179), (37729, 534564), (40331, 500076), (41673, 483972), (44547, 452748), (46836, 430621), (55564, 362979), (59396, 339561), (75458, 267282), (80662, 250038), (83346, 241986), (89094, 226374), (113187, 178188), (120993, 166692), (125019, 161324), (133641, 150916)]