20459550720

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^1\times {\mathrm{95143}}^1$

素因数の和:95180

約数の個数: 192

約数和(自身を含む): 74806018560

約数和(自身を除く): 54346467840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8960, 10240, 10752, 13440, 14336, 15360, 17920, 21504, 26880, 30720, 35840, 43008, 53760, 71680, 95143, 107520, 190286, 215040, 285429, 380572, 475715, 570858, 666001, 761144, 951430, 1141716, 1332002, 1427145, 1522288, 1902860, 1998003, 2283432, 2664004, 2854290, 3044576, 3330005, 3805720, 3996006, 4566864, 5328008, 5708580, 6089152, 6660010, 7611440, 7992012, 9133728, 9990015, 10656016, 11417160, 12178304, 13320020, 15222880, 15984024, 18267456, 19980030, 21312032, 22834320, 24356608, 26640040, 30445760, 31968048, 36534912, 39960060, 42624064, 45668640, 48713216, 53280080, 60891520, 63936096, 73069824, 79920120, 85248128, 91337280, 97426432, 106560160, 121783040, 127872192, 146139648, 159840240, 170496256, 182674560, 194852864, 213120320, 243566080, 255744384, 292279296, 319680480, 340992512, 365349120, 426240640, 487132160, 511488768, 584558592, 639360960, 681985024, 730698240, 852481280, 974264320, 1022977536, 1278721920, 1363970048, 1461396480, 1704962560, 2045955072, 2557443840, 2922792960, 3409925120, 4091910144, 5114887680, 6819850240, 10229775360, 20459550720]

約数ペア:

[(1, 20459550720), (2, 10229775360), (3, 6819850240), (4, 5114887680), (5, 4091910144), (6, 3409925120), (7, 2922792960), (8, 2557443840), (10, 2045955072), (12, 1704962560), (14, 1461396480), (15, 1363970048), (16, 1278721920), (20, 1022977536), (21, 974264320), (24, 852481280), (28, 730698240), (30, 681985024), (32, 639360960), (35, 584558592), (40, 511488768), (42, 487132160), (48, 426240640), (56, 365349120), (60, 340992512), (64, 319680480), (70, 292279296), (80, 255744384), (84, 243566080), (96, 213120320), (105, 194852864), (112, 182674560), (120, 170496256), (128, 159840240), (140, 146139648), (160, 127872192), (168, 121783040), (192, 106560160), (210, 97426432), (224, 91337280), (240, 85248128), (256, 79920120), (280, 73069824), (320, 63936096), (336, 60891520), (384, 53280080), (420, 48713216), (448, 45668640), (480, 42624064), (512, 39960060), (560, 36534912), (640, 31968048), (672, 30445760), (768, 26640040), (840, 24356608), (896, 22834320), (960, 21312032), (1024, 19980030), (1120, 18267456), (1280, 15984024), (1344, 15222880), (1536, 13320020), (1680, 12178304), (1792, 11417160), (1920, 10656016), (2048, 9990015), (2240, 9133728), (2560, 7992012), (2688, 7611440), (3072, 6660010), (3360, 6089152), (3584, 5708580), (3840, 5328008), (4480, 4566864), (5120, 3996006), (5376, 3805720), (6144, 3330005), (6720, 3044576), (7168, 2854290), (7680, 2664004), (8960, 2283432), (10240, 1998003), (10752, 1902860), (13440, 1522288), (14336, 1427145), (15360, 1332002), (17920, 1141716), (21504, 951430), (26880, 761144), (30720, 666001), (35840, 570858), (43008, 475715), (53760, 380572), (71680, 285429), (95143, 215040), (107520, 190286)]