20021617080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{55229}}^1$

素因数の和:55318

約数の個数: 192

約数和(自身を含む): 69788628000

約数和(自身を除く): 49767010920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 53, 57, 60, 72, 76, 90, 95, 106, 114, 120, 152, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 360, 380, 424, 456, 477, 530, 570, 636, 684, 760, 795, 855, 954, 1007, 1060, 1140, 1272, 1368, 1590, 1710, 1908, 2014, 2120, 2280, 2385, 3021, 3180, 3420, 3816, 4028, 4770, 5035, 6042, 6360, 6840, 8056, 9063, 9540, 10070, 12084, 15105, 18126, 19080, 20140, 24168, 30210, 36252, 40280, 45315, 55229, 60420, 72504, 90630, 110458, 120840, 165687, 181260, 220916, 276145, 331374, 362520, 441832, 497061, 552290, 662748, 828435, 994122, 1049351, 1104580, 1325496, 1656870, 1988244, 2098702, 2209160, 2485305, 2927137, 3148053, 3313740, 3976488, 4197404, 4970610, 5246755, 5854274, 6296106, 6627480, 8394808, 8781411, 9444159, 9941220, 10493510, 11708548, 12592212, 14635685, 15740265, 17562822, 18888318, 19882440, 20987020, 23417096, 25184424, 26344233, 29271370, 31480530, 35125644, 37776636, 41974040, 43907055, 47220795, 52688466, 55615603, 58542740, 62961060, 70251288, 75553272, 87814110, 94441590, 105376932, 111231206, 117085480, 125922120, 131721165, 166846809, 175628220, 188883180, 210753864, 222462412, 263442330, 278078015, 333693618, 351256440, 377766360, 444924824, 500540427, 526884660, 556156030, 667387236, 834234045, 1001080854, 1053769320, 1112312060, 1334774472, 1668468090, 2002161708, 2224624120, 2502702135, 3336936180, 4004323416, 5005404270, 6673872360, 10010808540, 20021617080]

約数ペア:

[(1, 20021617080), (2, 10010808540), (3, 6673872360), (4, 5005404270), (5, 4004323416), (6, 3336936180), (8, 2502702135), (9, 2224624120), (10, 2002161708), (12, 1668468090), (15, 1334774472), (18, 1112312060), (19, 1053769320), (20, 1001080854), (24, 834234045), (30, 667387236), (36, 556156030), (38, 526884660), (40, 500540427), (45, 444924824), (53, 377766360), (57, 351256440), (60, 333693618), (72, 278078015), (76, 263442330), (90, 222462412), (95, 210753864), (106, 188883180), (114, 175628220), (120, 166846809), (152, 131721165), (159, 125922120), (171, 117085480), (180, 111231206), (190, 105376932), (212, 94441590), (228, 87814110), (265, 75553272), (285, 70251288), (318, 62961060), (342, 58542740), (360, 55615603), (380, 52688466), (424, 47220795), (456, 43907055), (477, 41974040), (530, 37776636), (570, 35125644), (636, 31480530), (684, 29271370), (760, 26344233), (795, 25184424), (855, 23417096), (954, 20987020), (1007, 19882440), (1060, 18888318), (1140, 17562822), (1272, 15740265), (1368, 14635685), (1590, 12592212), (1710, 11708548), (1908, 10493510), (2014, 9941220), (2120, 9444159), (2280, 8781411), (2385, 8394808), (3021, 6627480), (3180, 6296106), (3420, 5854274), (3816, 5246755), (4028, 4970610), (4770, 4197404), (5035, 3976488), (6042, 3313740), (6360, 3148053), (6840, 2927137), (8056, 2485305), (9063, 2209160), (9540, 2098702), (10070, 1988244), (12084, 1656870), (15105, 1325496), (18126, 1104580), (19080, 1049351), (20140, 994122), (24168, 828435), (30210, 662748), (36252, 552290), (40280, 497061), (45315, 441832), (55229, 362520), (60420, 331374), (72504, 276145), (90630, 220916), (110458, 181260), (120840, 165687)]