20757247840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{10133}}^1$

素因数の和:10245

約数の個数: 192

約数和(自身を含む): 58838814720

約数和(自身を除く): 38081566880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 160, 217, 224, 236, 248, 280, 295, 310, 413, 434, 472, 496, 560, 590, 620, 826, 868, 944, 992, 1085, 1120, 1180, 1240, 1652, 1736, 1829, 1888, 2065, 2170, 2360, 2480, 3304, 3472, 3658, 4130, 4340, 4720, 4960, 6608, 6944, 7316, 8260, 8680, 9145, 9440, 10133, 12803, 13216, 14632, 16520, 17360, 18290, 20266, 25606, 29264, 33040, 34720, 36580, 40532, 50665, 51212, 58528, 64015, 66080, 70931, 73160, 81064, 101330, 102424, 128030, 141862, 146320, 162128, 202660, 204848, 256060, 283724, 292640, 314123, 324256, 354655, 405320, 409696, 512120, 567448, 597847, 628246, 709310, 810640, 1024240, 1134896, 1195694, 1256492, 1418620, 1570615, 1621280, 2048480, 2198861, 2269792, 2391388, 2512984, 2837240, 2989235, 3141230, 4184929, 4397722, 4782776, 5025968, 5674480, 5978470, 6282460, 8369858, 8795444, 9565552, 10051936, 10994305, 11348960, 11956940, 12564920, 16739716, 17590888, 18533257, 19131104, 20924645, 21988610, 23913880, 25129840, 33479432, 35181776, 37066514, 41849290, 43977220, 47827760, 50259680, 66958864, 70363552, 74133028, 83698580, 87954440, 92666285, 95655520, 129732799, 133917728, 148266056, 167397160, 175908880, 185332570, 259465598, 296532112, 334794320, 351817760, 370665140, 518931196, 593064224, 648663995, 669588640, 741330280, 1037862392, 1297327990, 1482660560, 2075724784, 2594655980, 2965321120, 4151449568, 5189311960, 10378623920, 20757247840]

約数ペア:

[(1, 20757247840), (2, 10378623920), (4, 5189311960), (5, 4151449568), (7, 2965321120), (8, 2594655980), (10, 2075724784), (14, 1482660560), (16, 1297327990), (20, 1037862392), (28, 741330280), (31, 669588640), (32, 648663995), (35, 593064224), (40, 518931196), (56, 370665140), (59, 351817760), (62, 334794320), (70, 296532112), (80, 259465598), (112, 185332570), (118, 175908880), (124, 167397160), (140, 148266056), (155, 133917728), (160, 129732799), (217, 95655520), (224, 92666285), (236, 87954440), (248, 83698580), (280, 74133028), (295, 70363552), (310, 66958864), (413, 50259680), (434, 47827760), (472, 43977220), (496, 41849290), (560, 37066514), (590, 35181776), (620, 33479432), (826, 25129840), (868, 23913880), (944, 21988610), (992, 20924645), (1085, 19131104), (1120, 18533257), (1180, 17590888), (1240, 16739716), (1652, 12564920), (1736, 11956940), (1829, 11348960), (1888, 10994305), (2065, 10051936), (2170, 9565552), (2360, 8795444), (2480, 8369858), (3304, 6282460), (3472, 5978470), (3658, 5674480), (4130, 5025968), (4340, 4782776), (4720, 4397722), (4960, 4184929), (6608, 3141230), (6944, 2989235), (7316, 2837240), (8260, 2512984), (8680, 2391388), (9145, 2269792), (9440, 2198861), (10133, 2048480), (12803, 1621280), (13216, 1570615), (14632, 1418620), (16520, 1256492), (17360, 1195694), (18290, 1134896), (20266, 1024240), (25606, 810640), (29264, 709310), (33040, 628246), (34720, 597847), (36580, 567448), (40532, 512120), (50665, 409696), (51212, 405320), (58528, 354655), (64015, 324256), (66080, 314123), (70931, 292640), (73160, 283724), (81064, 256060), (101330, 204848), (102424, 202660), (128030, 162128), (141862, 146320)]