20187427680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{286103}}^1$

素因数の和:286138

約数の個数: 216

約数和(自身を含む): 80137158192

約数和(自身を除く): 59949730512

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 286103, 572206, 858309, 1144412, 1430515, 1716618, 2002721, 2288824, 2574927, 2861030, 3433236, 4005442, 4291545, 4577648, 5149854, 5722060, 6008163, 6866472, 8010884, 8583090, 9155296, 10013605, 10299708, 11444120, 12016326, 12874635, 13732944, 14019047, 16021768, 17166180, 18024489, 20027210, 20599416, 22888240, 24032652, 25749270, 27465888, 28038094, 30040815, 32043536, 34332360, 36048978, 40054420, 41198832, 42057141, 45776480, 48065304, 51498540, 56076188, 60081630, 64087072, 68664720, 70095235, 72097956, 80108840, 82397664, 84114282, 90122445, 96130608, 102997080, 112152376, 120163260, 126171423, 137329440, 140190470, 144195912, 160217680, 168228564, 180244890, 192261216, 205994160, 210285705, 224304752, 240326520, 252342846, 280380940, 288391824, 320435360, 336457128, 360489780, 411988320, 420571410, 448609504, 480653040, 504685692, 560761880, 576783648, 630857115, 672914256, 720979560, 841142820, 961306080, 1009371384, 1121523760, 1261714230, 1345828512, 1441959120, 1682285640, 2018742768, 2243047520, 2523428460, 2883918240, 3364571280, 4037485536, 5046856920, 6729142560, 10093713840, 20187427680]

約数ペア:

[(1, 20187427680), (2, 10093713840), (3, 6729142560), (4, 5046856920), (5, 4037485536), (6, 3364571280), (7, 2883918240), (8, 2523428460), (9, 2243047520), (10, 2018742768), (12, 1682285640), (14, 1441959120), (15, 1345828512), (16, 1261714230), (18, 1121523760), (20, 1009371384), (21, 961306080), (24, 841142820), (28, 720979560), (30, 672914256), (32, 630857115), (35, 576783648), (36, 560761880), (40, 504685692), (42, 480653040), (45, 448609504), (48, 420571410), (49, 411988320), (56, 360489780), (60, 336457128), (63, 320435360), (70, 288391824), (72, 280380940), (80, 252342846), (84, 240326520), (90, 224304752), (96, 210285705), (98, 205994160), (105, 192261216), (112, 180244890), (120, 168228564), (126, 160217680), (140, 144195912), (144, 140190470), (147, 137329440), (160, 126171423), (168, 120163260), (180, 112152376), (196, 102997080), (210, 96130608), (224, 90122445), (240, 84114282), (245, 82397664), (252, 80108840), (280, 72097956), (288, 70095235), (294, 68664720), (315, 64087072), (336, 60081630), (360, 56076188), (392, 51498540), (420, 48065304), (441, 45776480), (480, 42057141), (490, 41198832), (504, 40054420), (560, 36048978), (588, 34332360), (630, 32043536), (672, 30040815), (720, 28038094), (735, 27465888), (784, 25749270), (840, 24032652), (882, 22888240), (980, 20599416), (1008, 20027210), (1120, 18024489), (1176, 17166180), (1260, 16021768), (1440, 14019047), (1470, 13732944), (1568, 12874635), (1680, 12016326), (1764, 11444120), (1960, 10299708), (2016, 10013605), (2205, 9155296), (2352, 8583090), (2520, 8010884), (2940, 6866472), (3360, 6008163), (3528, 5722060), (3920, 5149854), (4410, 4577648), (4704, 4291545), (5040, 4005442), (5880, 3433236), (7056, 2861030), (7840, 2574927), (8820, 2288824), (10080, 2002721), (11760, 1716618), (14112, 1430515), (17640, 1144412), (23520, 858309), (35280, 572206), (70560, 286103)]