20597760

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{149}}^1$

素因数の和:183

約数の個数: 176

約数和(自身を含む): 73692000

約数和(自身を除く): 53094240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 149, 160, 180, 192, 216, 240, 256, 270, 288, 298, 320, 360, 384, 432, 447, 480, 512, 540, 576, 596, 640, 720, 745, 768, 864, 894, 960, 1024, 1080, 1152, 1192, 1280, 1341, 1440, 1490, 1536, 1728, 1788, 1920, 2160, 2235, 2304, 2384, 2560, 2682, 2880, 2980, 3072, 3456, 3576, 3840, 4023, 4320, 4470, 4608, 4768, 5120, 5364, 5760, 5960, 6705, 6912, 7152, 7680, 8046, 8640, 8940, 9216, 9536, 10728, 11520, 11920, 13410, 13824, 14304, 15360, 16092, 17280, 17880, 19072, 20115, 21456, 23040, 23840, 26820, 27648, 28608, 32184, 34560, 35760, 38144, 40230, 42912, 46080, 47680, 53640, 57216, 64368, 69120, 71520, 76288, 80460, 85824, 95360, 107280, 114432, 128736, 138240, 143040, 152576, 160920, 171648, 190720, 214560, 228864, 257472, 286080, 321840, 343296, 381440, 429120, 457728, 514944, 572160, 643680, 686592, 762880, 858240, 1029888, 1144320, 1287360, 1373184, 1716480, 2059776, 2288640, 2574720, 3432960, 4119552, 5149440, 6865920, 10298880, 20597760]

約数ペア:

[(1, 20597760), (2, 10298880), (3, 6865920), (4, 5149440), (5, 4119552), (6, 3432960), (8, 2574720), (9, 2288640), (10, 2059776), (12, 1716480), (15, 1373184), (16, 1287360), (18, 1144320), (20, 1029888), (24, 858240), (27, 762880), (30, 686592), (32, 643680), (36, 572160), (40, 514944), (45, 457728), (48, 429120), (54, 381440), (60, 343296), (64, 321840), (72, 286080), (80, 257472), (90, 228864), (96, 214560), (108, 190720), (120, 171648), (128, 160920), (135, 152576), (144, 143040), (149, 138240), (160, 128736), (180, 114432), (192, 107280), (216, 95360), (240, 85824), (256, 80460), (270, 76288), (288, 71520), (298, 69120), (320, 64368), (360, 57216), (384, 53640), (432, 47680), (447, 46080), (480, 42912), (512, 40230), (540, 38144), (576, 35760), (596, 34560), (640, 32184), (720, 28608), (745, 27648), (768, 26820), (864, 23840), (894, 23040), (960, 21456), (1024, 20115), (1080, 19072), (1152, 17880), (1192, 17280), (1280, 16092), (1341, 15360), (1440, 14304), (1490, 13824), (1536, 13410), (1728, 11920), (1788, 11520), (1920, 10728), (2160, 9536), (2235, 9216), (2304, 8940), (2384, 8640), (2560, 8046), (2682, 7680), (2880, 7152), (2980, 6912), (3072, 6705), (3456, 5960), (3576, 5760), (3840, 5364), (4023, 5120), (4320, 4768), (4470, 4608)]