20218756320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{286547}}^1$

素因数の和:286582

約数の個数: 216

約数和(自身を含む): 80261521704

約数和(自身を除く): 60042765384

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, 286547, 573094, 859641, 1146188, 1432735, 1719282, 2005829, 2292376, 2578923, 2865470, 3438564, 4011658, 4298205, 4584752, 5157846, 5730940, 6017487, 6877128, 8023316, 8596410, 9169504, 10029145, 10315692, 11461880, 12034974, 12894615, 13754256, 14040803, 16046632, 17192820, 18052461, 20058290, 20631384, 22923760, 24069948, 25789230, 27508512, 28081606, 30087435, 32093264, 34385640, 36104922, 40116580, 41262768, 42122409, 45847520, 48139896, 51578460, 56163212, 60174870, 64186528, 68771280, 70204015, 72209844, 80233160, 82525536, 84244818, 90262305, 96279792, 103156920, 112326424, 120349740, 126367227, 137542560, 140408030, 144419688, 160466320, 168489636, 180524610, 192559584, 206313840, 210612045, 224652848, 240699480, 252734454, 280816060, 288839376, 320932640, 336979272, 361049220, 412627680, 421224090, 449305696, 481398960, 505468908, 561632120, 577678752, 631836135, 673958544, 722098440, 842448180, 962797920, 1010937816, 1123264240, 1263672270, 1347917088, 1444196880, 1684896360, 2021875632, 2246528480, 2527344540, 2888393760, 3369792720, 4043751264, 5054689080, 6739585440, 10109378160, 20218756320]

約数ペア:

[(1, 20218756320), (2, 10109378160), (3, 6739585440), (4, 5054689080), (5, 4043751264), (6, 3369792720), (7, 2888393760), (8, 2527344540), (9, 2246528480), (10, 2021875632), (12, 1684896360), (14, 1444196880), (15, 1347917088), (16, 1263672270), (18, 1123264240), (20, 1010937816), (21, 962797920), (24, 842448180), (28, 722098440), (30, 673958544), (32, 631836135), (35, 577678752), (36, 561632120), (40, 505468908), (42, 481398960), (45, 449305696), (48, 421224090), (49, 412627680), (56, 361049220), (60, 336979272), (63, 320932640), (70, 288839376), (72, 280816060), (80, 252734454), (84, 240699480), (90, 224652848), (96, 210612045), (98, 206313840), (105, 192559584), (112, 180524610), (120, 168489636), (126, 160466320), (140, 144419688), (144, 140408030), (147, 137542560), (160, 126367227), (168, 120349740), (180, 112326424), (196, 103156920), (210, 96279792), (224, 90262305), (240, 84244818), (245, 82525536), (252, 80233160), (280, 72209844), (288, 70204015), (294, 68771280), (315, 64186528), (336, 60174870), (360, 56163212), (392, 51578460), (420, 48139896), (441, 45847520), (480, 42122409), (490, 41262768), (504, 40116580), (560, 36104922), (588, 34385640), (630, 32093264), (672, 30087435), (720, 28081606), (735, 27508512), (784, 25789230), (840, 24069948), (882, 22923760), (980, 20631384), (1008, 20058290), (1120, 18052461), (1176, 17192820), (1260, 16046632), (1440, 14040803), (1470, 13754256), (1568, 12894615), (1680, 12034974), (1764, 11461880), (1960, 10315692), (2016, 10029145), (2205, 9169504), (2352, 8596410), (2520, 8023316), (2940, 6877128), (3360, 6017487), (3528, 5730940), (3920, 5157846), (4410, 4584752), (4704, 4298205), (5040, 4011658), (5880, 3438564), (7056, 2865470), (7840, 2578923), (8820, 2292376), (10080, 2005829), (11760, 1719282), (14112, 1432735), (17640, 1146188), (23520, 859641), (35280, 573094), (70560, 286547)]