20798980293

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6719}}^1$

素因数の和:6811

約数の個数: 128

約数和(自身を含む): 39016857600

約数和(自身を除く): 18217877307

約数列:

[1, 3, 7, 13, 17, 21, 23, 29, 39, 51, 69, 87, 91, 119, 161, 203, 221, 273, 299, 357, 377, 391, 483, 493, 609, 663, 667, 897, 1131, 1173, 1479, 1547, 2001, 2093, 2639, 2737, 3451, 4641, 4669, 5083, 6279, 6409, 6719, 7917, 8211, 8671, 10353, 11339, 14007, 15249, 19227, 20157, 26013, 34017, 35581, 44863, 47033, 60697, 79373, 87347, 106743, 114223, 134589, 141099, 147407, 154537, 182091, 194851, 238119, 262041, 342669, 442221, 463611, 584553, 611429, 799561, 1031849, 1081759, 1363957, 1484899, 1834287, 2008981, 2398683, 2533063, 2627129, 3095547, 3245277, 3312467, 4091871, 4454697, 4481573, 6026943, 7599189, 7881387, 9937401, 10394293, 13444719, 14062867, 17731441, 18389903, 23187269, 31182879, 31371011, 34152677, 42188601, 43062071, 53194323, 55169709, 58260449, 69561807, 76186741, 94113033, 102458031, 129186213, 174781347, 228560223, 239068739, 301434497, 407823143, 533307187, 717206217, 904303491, 990427633, 1223469429, 1599921561, 2971282899, 6932993431, 20798980293]

約数ペア:

[(1, 20798980293), (3, 6932993431), (7, 2971282899), (13, 1599921561), (17, 1223469429), (21, 990427633), (23, 904303491), (29, 717206217), (39, 533307187), (51, 407823143), (69, 301434497), (87, 239068739), (91, 228560223), (119, 174781347), (161, 129186213), (203, 102458031), (221, 94113033), (273, 76186741), (299, 69561807), (357, 58260449), (377, 55169709), (391, 53194323), (483, 43062071), (493, 42188601), (609, 34152677), (663, 31371011), (667, 31182879), (897, 23187269), (1131, 18389903), (1173, 17731441), (1479, 14062867), (1547, 13444719), (2001, 10394293), (2093, 9937401), (2639, 7881387), (2737, 7599189), (3451, 6026943), (4641, 4481573), (4669, 4454697), (5083, 4091871), (6279, 3312467), (6409, 3245277), (6719, 3095547), (7917, 2627129), (8211, 2533063), (8671, 2398683), (10353, 2008981), (11339, 1834287), (14007, 1484899), (15249, 1363957), (19227, 1081759), (20157, 1031849), (26013, 799561), (34017, 611429), (35581, 584553), (44863, 463611), (47033, 442221), (60697, 342669), (79373, 262041), (87347, 238119), (106743, 194851), (114223, 182091), (134589, 154537), (141099, 147407)]