20553805440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{509767}}^1$

素因数の和:509799

約数の個数: 192

約数和(自身を含む): 81114284160

約数和(自身を除く): 60560478720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 509767, 1019534, 1529301, 2039068, 2548835, 3058602, 3568369, 4078136, 4587903, 5097670, 6117204, 7136738, 7646505, 8156272, 9175806, 10195340, 10705107, 12234408, 14273476, 15293010, 16312544, 17841845, 18351612, 20390680, 21410214, 22939515, 24468816, 28546952, 30586020, 32115321, 32625088, 35683690, 36703224, 40781360, 42820428, 45879030, 48937632, 53525535, 57093904, 61172040, 64230642, 65250176, 71367380, 73406448, 81562720, 85640856, 91758060, 97875264, 107051070, 114187808, 122344080, 128461284, 142734760, 146812896, 160576605, 163125440, 171281712, 183516120, 195750528, 214102140, 228375616, 244688160, 256922568, 285469520, 293625792, 321153210, 326250880, 342563424, 367032240, 428204280, 456751232, 489376320, 513845136, 570939040, 587251584, 642306420, 685126848, 734064480, 856408560, 978752640, 1027690272, 1141878080, 1284612840, 1370253696, 1468128960, 1712817120, 2055380544, 2283756160, 2569225680, 2936257920, 3425634240, 4110761088, 5138451360, 6851268480, 10276902720, 20553805440]

約数ペア:

[(1, 20553805440), (2, 10276902720), (3, 6851268480), (4, 5138451360), (5, 4110761088), (6, 3425634240), (7, 2936257920), (8, 2569225680), (9, 2283756160), (10, 2055380544), (12, 1712817120), (14, 1468128960), (15, 1370253696), (16, 1284612840), (18, 1141878080), (20, 1027690272), (21, 978752640), (24, 856408560), (28, 734064480), (30, 685126848), (32, 642306420), (35, 587251584), (36, 570939040), (40, 513845136), (42, 489376320), (45, 456751232), (48, 428204280), (56, 367032240), (60, 342563424), (63, 326250880), (64, 321153210), (70, 293625792), (72, 285469520), (80, 256922568), (84, 244688160), (90, 228375616), (96, 214102140), (105, 195750528), (112, 183516120), (120, 171281712), (126, 163125440), (128, 160576605), (140, 146812896), (144, 142734760), (160, 128461284), (168, 122344080), (180, 114187808), (192, 107051070), (210, 97875264), (224, 91758060), (240, 85640856), (252, 81562720), (280, 73406448), (288, 71367380), (315, 65250176), (320, 64230642), (336, 61172040), (360, 57093904), (384, 53525535), (420, 48937632), (448, 45879030), (480, 42820428), (504, 40781360), (560, 36703224), (576, 35683690), (630, 32625088), (640, 32115321), (672, 30586020), (720, 28546952), (840, 24468816), (896, 22939515), (960, 21410214), (1008, 20390680), (1120, 18351612), (1152, 17841845), (1260, 16312544), (1344, 15293010), (1440, 14273476), (1680, 12234408), (1920, 10705107), (2016, 10195340), (2240, 9175806), (2520, 8156272), (2688, 7646505), (2880, 7136738), (3360, 6117204), (4032, 5097670), (4480, 4587903), (5040, 4078136), (5760, 3568369), (6720, 3058602), (8064, 2548835), (10080, 2039068), (13440, 1529301), (20160, 1019534), (40320, 509767)]