20995654944960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{30502753}}^1$

素因数の和:30503015

約数の個数: 168

約数和(自身を含む): 72518467469760

約数和(自身を除く): 51522812524800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 239, 240, 288, 320, 360, 478, 480, 576, 717, 720, 956, 960, 1195, 1434, 1440, 1912, 2151, 2390, 2868, 2880, 3585, 3824, 4302, 4780, 5736, 7170, 7648, 8604, 9560, 10755, 11472, 14340, 15296, 17208, 19120, 21510, 22944, 28680, 34416, 38240, 43020, 45888, 57360, 68832, 76480, 86040, 114720, 137664, 172080, 229440, 344160, 688320, 30502753, 61005506, 91508259, 122011012, 152513765, 183016518, 244022024, 274524777, 305027530, 366033036, 457541295, 488044048, 549049554, 610055060, 732066072, 915082590, 976088096, 1098099108, 1220110120, 1372623885, 1464132144, 1830165180, 1952176192, 2196198216, 2440220240, 2745247770, 2928264288, 3660330360, 4392396432, 4880440480, 5490495540, 5856528576, 7290157967, 7320660720, 8784792864, 9760880960, 10980991080, 14580315934, 14641321440, 17569585728, 21870473901, 21961982160, 29160631868, 29282642880, 36450789835, 43740947802, 43923964320, 58321263736, 65611421703, 72901579670, 87481895604, 87847928640, 109352369505, 116642527472, 131222843406, 145803159340, 174963791208, 218704739010, 233285054944, 262445686812, 291606318680, 328057108515, 349927582416, 437409478020, 466570109888, 524891373624, 583212637360, 656114217030, 699855164832, 874818956040, 1049782747248, 1166425274720, 1312228434060, 1399710329664, 1749637912080, 2099565494496, 2332850549440, 2624456868120, 3499275824160, 4199130988992, 5248913736240, 6998551648320, 10497827472480, 20995654944960]

約数ペア:

[(1, 20995654944960), (2, 10497827472480), (3, 6998551648320), (4, 5248913736240), (5, 4199130988992), (6, 3499275824160), (8, 2624456868120), (9, 2332850549440), (10, 2099565494496), (12, 1749637912080), (15, 1399710329664), (16, 1312228434060), (18, 1166425274720), (20, 1049782747248), (24, 874818956040), (30, 699855164832), (32, 656114217030), (36, 583212637360), (40, 524891373624), (45, 466570109888), (48, 437409478020), (60, 349927582416), (64, 328057108515), (72, 291606318680), (80, 262445686812), (90, 233285054944), (96, 218704739010), (120, 174963791208), (144, 145803159340), (160, 131222843406), (180, 116642527472), (192, 109352369505), (239, 87847928640), (240, 87481895604), (288, 72901579670), (320, 65611421703), (360, 58321263736), (478, 43923964320), (480, 43740947802), (576, 36450789835), (717, 29282642880), (720, 29160631868), (956, 21961982160), (960, 21870473901), (1195, 17569585728), (1434, 14641321440), (1440, 14580315934), (1912, 10980991080), (2151, 9760880960), (2390, 8784792864), (2868, 7320660720), (2880, 7290157967), (3585, 5856528576), (3824, 5490495540), (4302, 4880440480), (4780, 4392396432), (5736, 3660330360), (7170, 2928264288), (7648, 2745247770), (8604, 2440220240), (9560, 2196198216), (10755, 1952176192), (11472, 1830165180), (14340, 1464132144), (15296, 1372623885), (17208, 1220110120), (19120, 1098099108), (21510, 976088096), (22944, 915082590), (28680, 732066072), (34416, 610055060), (38240, 549049554), (43020, 488044048), (45888, 457541295), (57360, 366033036), (68832, 305027530), (76480, 274524777), (86040, 244022024), (114720, 183016518), (137664, 152513765), (172080, 122011012), (229440, 91508259), (344160, 61005506), (688320, 30502753)]