20802559360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 256

約数和(自身を含む): 55837900800

約数和(自身を除く): 35035341440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 127, 128, 160, 176, 212, 220, 254, 265, 320, 352, 424, 439, 440, 508, 530, 583, 635, 640, 704, 848, 878, 880, 1016, 1060, 1166, 1270, 1397, 1408, 1696, 1756, 1760, 2032, 2120, 2195, 2332, 2540, 2794, 2915, 3392, 3512, 3520, 4064, 4240, 4390, 4664, 4829, 5080, 5588, 5830, 6731, 6784, 6985, 7024, 7040, 8128, 8480, 8780, 9328, 9658, 10160, 11176, 11660, 13462, 13970, 14048, 16256, 16960, 17560, 18656, 19316, 20320, 22352, 23267, 23320, 24145, 26924, 27940, 28096, 33655, 33920, 35120, 37312, 38632, 40640, 44704, 46534, 46640, 48290, 53848, 55753, 55880, 56192, 67310, 70240, 74041, 74624, 77264, 81280, 89408, 93068, 93280, 96580, 107696, 111506, 111760, 116335, 134620, 140480, 148082, 154528, 178816, 186136, 186560, 193160, 215392, 223012, 223520, 232670, 255937, 269240, 278765, 280960, 296164, 309056, 370205, 372272, 373120, 386320, 430784, 446024, 447040, 465340, 511874, 538480, 557530, 592328, 613283, 618112, 740410, 744544, 772640, 861568, 892048, 894080, 930680, 1023748, 1076960, 1115060, 1184656, 1226566, 1279685, 1480820, 1489088, 1545280, 1784096, 1861360, 2047496, 2153920, 2230120, 2369312, 2453132, 2559370, 2954909, 2961640, 2978176, 3066415, 3090560, 3568192, 3722720, 4094992, 4307840, 4460240, 4738624, 4906264, 5118740, 5909818, 5923280, 6132830, 7136384, 7445440, 8189984, 8920480, 9477248, 9812528, 10237480, 11819636, 11846560, 12265660, 14774545, 14890880, 16379968, 17840960, 19625056, 20474960, 23639272, 23693120, 24531320, 29549090, 32503999, 32759936, 35681920, 39250112, 40949920, 47278544, 47386240, 49062640, 59098180, 65007998, 78500224, 81899840, 94557088, 98125280, 118196360, 130015996, 162519995, 163799680, 189114176, 196250560, 236392720, 260031992, 325039990, 378228352, 392501120, 472785440, 520063984, 650079980, 945570880, 1040127968, 1300159960, 1891141760, 2080255936, 2600319920, 4160511872, 5200639840, 10401279680, 20802559360]

約数ペア:

[(1, 20802559360), (2, 10401279680), (4, 5200639840), (5, 4160511872), (8, 2600319920), (10, 2080255936), (11, 1891141760), (16, 1300159960), (20, 1040127968), (22, 945570880), (32, 650079980), (40, 520063984), (44, 472785440), (53, 392501120), (55, 378228352), (64, 325039990), (80, 260031992), (88, 236392720), (106, 196250560), (110, 189114176), (127, 163799680), (128, 162519995), (160, 130015996), (176, 118196360), (212, 98125280), (220, 94557088), (254, 81899840), (265, 78500224), (320, 65007998), (352, 59098180), (424, 49062640), (439, 47386240), (440, 47278544), (508, 40949920), (530, 39250112), (583, 35681920), (635, 32759936), (640, 32503999), (704, 29549090), (848, 24531320), (878, 23693120), (880, 23639272), (1016, 20474960), (1060, 19625056), (1166, 17840960), (1270, 16379968), (1397, 14890880), (1408, 14774545), (1696, 12265660), (1756, 11846560), (1760, 11819636), (2032, 10237480), (2120, 9812528), (2195, 9477248), (2332, 8920480), (2540, 8189984), (2794, 7445440), (2915, 7136384), (3392, 6132830), (3512, 5923280), (3520, 5909818), (4064, 5118740), (4240, 4906264), (4390, 4738624), (4664, 4460240), (4829, 4307840), (5080, 4094992), (5588, 3722720), (5830, 3568192), (6731, 3090560), (6784, 3066415), (6985, 2978176), (7024, 2961640), (7040, 2954909), (8128, 2559370), (8480, 2453132), (8780, 2369312), (9328, 2230120), (9658, 2153920), (10160, 2047496), (11176, 1861360), (11660, 1784096), (13462, 1545280), (13970, 1489088), (14048, 1480820), (16256, 1279685), (16960, 1226566), (17560, 1184656), (18656, 1115060), (19316, 1076960), (20320, 1023748), (22352, 930680), (23267, 894080), (23320, 892048), (24145, 861568), (26924, 772640), (27940, 744544), (28096, 740410), (33655, 618112), (33920, 613283), (35120, 592328), (37312, 557530), (38632, 538480), (40640, 511874), (44704, 465340), (46534, 447040), (46640, 446024), (48290, 430784), (53848, 386320), (55753, 373120), (55880, 372272), (56192, 370205), (67310, 309056), (70240, 296164), (74041, 280960), (74624, 278765), (77264, 269240), (81280, 255937), (89408, 232670), (93068, 223520), (93280, 223012), (96580, 215392), (107696, 193160), (111506, 186560), (111760, 186136), (116335, 178816), (134620, 154528), (140480, 148082)]