20338009640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:560

約数の個数: 256

約数和(自身を含む): 53415936000

約数和(自身を除く): 33077926360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 71, 76, 79, 95, 104, 130, 142, 152, 158, 190, 247, 260, 284, 316, 355, 367, 380, 395, 494, 520, 568, 632, 710, 734, 760, 790, 923, 988, 1027, 1235, 1349, 1420, 1468, 1501, 1580, 1835, 1846, 1976, 2054, 2470, 2698, 2840, 2936, 3002, 3160, 3670, 3692, 4108, 4615, 4771, 4940, 5135, 5396, 5609, 6004, 6745, 6973, 7340, 7384, 7505, 8216, 9230, 9542, 9880, 10270, 10792, 11218, 12008, 13490, 13946, 14680, 15010, 17537, 18460, 19084, 19513, 20540, 22436, 23855, 26057, 26980, 27892, 28045, 28993, 30020, 34865, 35074, 36920, 38168, 39026, 41080, 44872, 47710, 52114, 53960, 55784, 56090, 57986, 60040, 69730, 70148, 72917, 78052, 87685, 90649, 95420, 97565, 104228, 106571, 112180, 115972, 130285, 139460, 140296, 144965, 145834, 156104, 175370, 181298, 190840, 195130, 208456, 213142, 224360, 231944, 260570, 278920, 289930, 291668, 338741, 350740, 362596, 364585, 376909, 390260, 426284, 453245, 495083, 521140, 532855, 550867, 579860, 583336, 677482, 701480, 725192, 729170, 753818, 780520, 852568, 906490, 990166, 1042280, 1065710, 1101734, 1159720, 1354964, 1385423, 1458340, 1507636, 1693705, 1812980, 1884545, 1980332, 2058503, 2131420, 2203468, 2475415, 2709928, 2754335, 2770846, 2916680, 3015272, 3387410, 3625960, 3769090, 3960664, 4117006, 4262840, 4406936, 4950830, 5508670, 5541692, 6436079, 6774820, 6927115, 7161271, 7538180, 8234012, 9901660, 10292515, 11017340, 11083384, 12872158, 13549640, 13854230, 14322542, 15076360, 16468024, 19803320, 20585030, 22034680, 25744316, 26760539, 27708460, 28645084, 32180395, 35806355, 39111557, 41170060, 51488632, 53521078, 55416920, 57290168, 64360790, 71612710, 78223114, 82340120, 107042156, 128721580, 133802695, 143225420, 156446228, 195557785, 214084312, 257443160, 267605390, 286450840, 312892456, 391115570, 508450241, 535210780, 782231140, 1016900482, 1070421560, 1564462280, 2033800964, 2542251205, 4067601928, 5084502410, 10169004820, 20338009640]

約数ペア:

[(1, 20338009640), (2, 10169004820), (4, 5084502410), (5, 4067601928), (8, 2542251205), (10, 2033800964), (13, 1564462280), (19, 1070421560), (20, 1016900482), (26, 782231140), (38, 535210780), (40, 508450241), (52, 391115570), (65, 312892456), (71, 286450840), (76, 267605390), (79, 257443160), (95, 214084312), (104, 195557785), (130, 156446228), (142, 143225420), (152, 133802695), (158, 128721580), (190, 107042156), (247, 82340120), (260, 78223114), (284, 71612710), (316, 64360790), (355, 57290168), (367, 55416920), (380, 53521078), (395, 51488632), (494, 41170060), (520, 39111557), (568, 35806355), (632, 32180395), (710, 28645084), (734, 27708460), (760, 26760539), (790, 25744316), (923, 22034680), (988, 20585030), (1027, 19803320), (1235, 16468024), (1349, 15076360), (1420, 14322542), (1468, 13854230), (1501, 13549640), (1580, 12872158), (1835, 11083384), (1846, 11017340), (1976, 10292515), (2054, 9901660), (2470, 8234012), (2698, 7538180), (2840, 7161271), (2936, 6927115), (3002, 6774820), (3160, 6436079), (3670, 5541692), (3692, 5508670), (4108, 4950830), (4615, 4406936), (4771, 4262840), (4940, 4117006), (5135, 3960664), (5396, 3769090), (5609, 3625960), (6004, 3387410), (6745, 3015272), (6973, 2916680), (7340, 2770846), (7384, 2754335), (7505, 2709928), (8216, 2475415), (9230, 2203468), (9542, 2131420), (9880, 2058503), (10270, 1980332), (10792, 1884545), (11218, 1812980), (12008, 1693705), (13490, 1507636), (13946, 1458340), (14680, 1385423), (15010, 1354964), (17537, 1159720), (18460, 1101734), (19084, 1065710), (19513, 1042280), (20540, 990166), (22436, 906490), (23855, 852568), (26057, 780520), (26980, 753818), (27892, 729170), (28045, 725192), (28993, 701480), (30020, 677482), (34865, 583336), (35074, 579860), (36920, 550867), (38168, 532855), (39026, 521140), (41080, 495083), (44872, 453245), (47710, 426284), (52114, 390260), (53960, 376909), (55784, 364585), (56090, 362596), (57986, 350740), (60040, 338741), (69730, 291668), (70148, 289930), (72917, 278920), (78052, 260570), (87685, 231944), (90649, 224360), (95420, 213142), (97565, 208456), (104228, 195130), (106571, 190840), (112180, 181298), (115972, 175370), (130285, 156104), (139460, 145834), (140296, 144965)]