20090921551960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{12037}}^1\times {\mathrm{34457}}^1$

素因数の和:46685

約数の個数: 128

約数和(自身を含む): 51966821013120

約数和(自身を除く): 31875899461160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 3460, 4844, 6055, 6920, 9688, 12037, 12110, 24074, 24220, 34457, 48148, 48440, 60185, 68914, 84259, 96296, 120370, 137828, 168518, 172285, 240740, 241199, 275656, 337036, 344570, 421295, 481480, 482398, 674072, 689140, 842590, 964796, 1205995, 1378280, 1685180, 1929592, 2082401, 2411990, 3370360, 4164802, 4823980, 5961061, 8329604, 9647960, 10412005, 11922122, 14576807, 16659208, 20824010, 23844244, 29153614, 29805305, 41648020, 41727427, 47688488, 58307228, 59610610, 72884035, 83296040, 83454854, 116614456, 119221220, 145768070, 166909708, 208637135, 238442440, 291536140, 333819416, 414758909, 417274270, 583072280, 829517818, 834548540, 1659035636, 1669097080, 2073794545, 2903312363, 3318071272, 4147589090, 5806624726, 8295178180, 11613249452, 14516561815, 16590356360, 23226498904, 29033123630, 58066247260, 71753291257, 116132494520, 143506582514, 287013165028, 358766456285, 502273038799, 574026330056, 717532912570, 1004546077598, 1435065825140, 2009092155196, 2511365193995, 2870131650280, 4018184310392, 5022730387990, 10045460775980, 20090921551960]

約数ペア:

[(1, 20090921551960), (2, 10045460775980), (4, 5022730387990), (5, 4018184310392), (7, 2870131650280), (8, 2511365193995), (10, 2009092155196), (14, 1435065825140), (20, 1004546077598), (28, 717532912570), (35, 574026330056), (40, 502273038799), (56, 358766456285), (70, 287013165028), (140, 143506582514), (173, 116132494520), (280, 71753291257), (346, 58066247260), (692, 29033123630), (865, 23226498904), (1211, 16590356360), (1384, 14516561815), (1730, 11613249452), (2422, 8295178180), (3460, 5806624726), (4844, 4147589090), (6055, 3318071272), (6920, 2903312363), (9688, 2073794545), (12037, 1669097080), (12110, 1659035636), (24074, 834548540), (24220, 829517818), (34457, 583072280), (48148, 417274270), (48440, 414758909), (60185, 333819416), (68914, 291536140), (84259, 238442440), (96296, 208637135), (120370, 166909708), (137828, 145768070), (168518, 119221220), (172285, 116614456), (240740, 83454854), (241199, 83296040), (275656, 72884035), (337036, 59610610), (344570, 58307228), (421295, 47688488), (481480, 41727427), (482398, 41648020), (674072, 29805305), (689140, 29153614), (842590, 23844244), (964796, 20824010), (1205995, 16659208), (1378280, 14576807), (1685180, 11922122), (1929592, 10412005), (2082401, 9647960), (2411990, 8329604), (3370360, 5961061), (4164802, 4823980)]