20555055360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{254899}}^1$

素因数の和:254933

約数の個数: 216

約数和(自身を含む): 81278433600

約数和(自身を除く): 60723378240

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 254899, 509798, 764697, 1019596, 1274495, 1529394, 1784293, 2039192, 2294091, 2548990, 3058788, 3568586, 3823485, 4078384, 4588182, 5097980, 5352879, 6117576, 7137172, 7646970, 8156768, 8921465, 9176364, 10195960, 10705758, 11470455, 12235152, 14274344, 15293940, 16058637, 16313536, 17842930, 18352728, 20391920, 21411516, 22940910, 24470304, 26764395, 28548688, 30587880, 32117274, 32627072, 35685860, 36705456, 40783840, 42823032, 45881820, 48940608, 53528790, 57097376, 61175760, 64234548, 65254144, 71371720, 73410912, 80293185, 81567680, 85646064, 91763640, 97881216, 107057580, 114194752, 122351520, 128469096, 142743440, 146821824, 160586370, 163135360, 171292128, 183527280, 195762432, 214115160, 228389504, 244703040, 256938192, 285486880, 293643648, 321172740, 326270720, 342584256, 367054560, 428230320, 456779008, 489406080, 513876384, 570973760, 587287296, 642345480, 685168512, 734109120, 856460640, 978812160, 1027752768, 1141947520, 1284690960, 1370337024, 1468218240, 1712921280, 2055505536, 2283895040, 2569381920, 2936436480, 3425842560, 4111011072, 5138763840, 6851685120, 10277527680, 20555055360]

約数ペア:

[(1, 20555055360), (2, 10277527680), (3, 6851685120), (4, 5138763840), (5, 4111011072), (6, 3425842560), (7, 2936436480), (8, 2569381920), (9, 2283895040), (10, 2055505536), (12, 1712921280), (14, 1468218240), (15, 1370337024), (16, 1284690960), (18, 1141947520), (20, 1027752768), (21, 978812160), (24, 856460640), (28, 734109120), (30, 685168512), (32, 642345480), (35, 587287296), (36, 570973760), (40, 513876384), (42, 489406080), (45, 456779008), (48, 428230320), (56, 367054560), (60, 342584256), (63, 326270720), (64, 321172740), (70, 293643648), (72, 285486880), (80, 256938192), (84, 244703040), (90, 228389504), (96, 214115160), (105, 195762432), (112, 183527280), (120, 171292128), (126, 163135360), (128, 160586370), (140, 146821824), (144, 142743440), (160, 128469096), (168, 122351520), (180, 114194752), (192, 107057580), (210, 97881216), (224, 91763640), (240, 85646064), (252, 81567680), (256, 80293185), (280, 73410912), (288, 71371720), (315, 65254144), (320, 64234548), (336, 61175760), (360, 57097376), (384, 53528790), (420, 48940608), (448, 45881820), (480, 42823032), (504, 40783840), (560, 36705456), (576, 35685860), (630, 32627072), (640, 32117274), (672, 30587880), (720, 28548688), (768, 26764395), (840, 24470304), (896, 22940910), (960, 21411516), (1008, 20391920), (1120, 18352728), (1152, 17842930), (1260, 16313536), (1280, 16058637), (1344, 15293940), (1440, 14274344), (1680, 12235152), (1792, 11470455), (1920, 10705758), (2016, 10195960), (2240, 9176364), (2304, 8921465), (2520, 8156768), (2688, 7646970), (2880, 7137172), (3360, 6117576), (3840, 5352879), (4032, 5097980), (4480, 4588182), (5040, 4078384), (5376, 3823485), (5760, 3568586), (6720, 3058788), (8064, 2548990), (8960, 2294091), (10080, 2039192), (11520, 1784293), (13440, 1529394), (16128, 1274495), (20160, 1019596), (26880, 764697), (40320, 509798), (80640, 254899)]