20906169856

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 320

約数和(自身を含む): 51828682752

約数和(自身を除く): 30922512896

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 61, 62, 64, 88, 104, 122, 124, 128, 143, 151, 176, 208, 244, 248, 256, 286, 302, 341, 352, 403, 416, 488, 496, 512, 572, 604, 671, 682, 704, 793, 806, 832, 976, 992, 1144, 1208, 1342, 1364, 1408, 1586, 1612, 1661, 1664, 1891, 1952, 1963, 1984, 2288, 2416, 2684, 2728, 2816, 3172, 3224, 3322, 3328, 3782, 3904, 3926, 3968, 4433, 4576, 4681, 4832, 5368, 5456, 5632, 6344, 6448, 6644, 6656, 7564, 7808, 7852, 7936, 8723, 8866, 9152, 9211, 9362, 9664, 10736, 10912, 12688, 12896, 13288, 15128, 15616, 15704, 15872, 17446, 17732, 18304, 18422, 18724, 19328, 20801, 21472, 21593, 21824, 24583, 25376, 25792, 26576, 30256, 31232, 31408, 34892, 35464, 36608, 36844, 37448, 38656, 41602, 42944, 43186, 43648, 49166, 50752, 51491, 51584, 53152, 60512, 60853, 62816, 69784, 70928, 73216, 73688, 74896, 77312, 83204, 85888, 86372, 87296, 98332, 101321, 101504, 102982, 103168, 106304, 119743, 121024, 121706, 125632, 139568, 141856, 147376, 149792, 166408, 171776, 172744, 174592, 196664, 202642, 203008, 205964, 206336, 212608, 239486, 242048, 243412, 251264, 270413, 279136, 283712, 285541, 294752, 299584, 332816, 343552, 345488, 393328, 405284, 406016, 411928, 425216, 478972, 484096, 486824, 502528, 540826, 558272, 567424, 571082, 589504, 599168, 665632, 669383, 690976, 786656, 810568, 823856, 850432, 957944, 968192, 973648, 1005056, 1081652, 1116544, 1134848, 1142164, 1179008, 1198336, 1317173, 1331264, 1338766, 1381952, 1573312, 1621136, 1647712, 1915888, 1947296, 2163304, 2233088, 2269696, 2284328, 2358016, 2396672, 2634346, 2662528, 2677532, 2763904, 3140951, 3146624, 3242272, 3295424, 3712033, 3831776, 3894592, 4326608, 4466176, 4568656, 4716032, 5268692, 5325056, 5355064, 5527808, 6281902, 6293248, 6484544, 6590848, 7424066, 7663552, 7789184, 8653216, 9137312, 10537384, 10650112, 10710128, 11055616, 12563804, 12586496, 12969088, 13181696, 14848132, 15327104, 15578368, 17306432, 18274624, 21074768, 21420256, 25127608, 25938176, 26363392, 29696264, 30654208, 31156736, 34612864, 36549248, 40832363, 42149536, 42840512, 50255216, 51876352, 59392528, 61308416, 69225728, 73098496, 81664726, 84299072, 85681024, 100510432, 118785056, 138451456, 146196992, 163329452, 168598144, 171362048, 201020864, 237570112, 326658904, 337196288, 342724096, 402041728, 475140224, 653317808, 674392576, 804083456, 950280448, 1306635616, 1608166912, 1900560896, 2613271232, 5226542464, 10453084928, 20906169856]

約数ペア:

[(1, 20906169856), (2, 10453084928), (4, 5226542464), (8, 2613271232), (11, 1900560896), (13, 1608166912), (16, 1306635616), (22, 950280448), (26, 804083456), (31, 674392576), (32, 653317808), (44, 475140224), (52, 402041728), (61, 342724096), (62, 337196288), (64, 326658904), (88, 237570112), (104, 201020864), (122, 171362048), (124, 168598144), (128, 163329452), (143, 146196992), (151, 138451456), (176, 118785056), (208, 100510432), (244, 85681024), (248, 84299072), (256, 81664726), (286, 73098496), (302, 69225728), (341, 61308416), (352, 59392528), (403, 51876352), (416, 50255216), (488, 42840512), (496, 42149536), (512, 40832363), (572, 36549248), (604, 34612864), (671, 31156736), (682, 30654208), (704, 29696264), (793, 26363392), (806, 25938176), (832, 25127608), (976, 21420256), (992, 21074768), (1144, 18274624), (1208, 17306432), (1342, 15578368), (1364, 15327104), (1408, 14848132), (1586, 13181696), (1612, 12969088), (1661, 12586496), (1664, 12563804), (1891, 11055616), (1952, 10710128), (1963, 10650112), (1984, 10537384), (2288, 9137312), (2416, 8653216), (2684, 7789184), (2728, 7663552), (2816, 7424066), (3172, 6590848), (3224, 6484544), (3322, 6293248), (3328, 6281902), (3782, 5527808), (3904, 5355064), (3926, 5325056), (3968, 5268692), (4433, 4716032), (4576, 4568656), (4681, 4466176), (4832, 4326608), (5368, 3894592), (5456, 3831776), (5632, 3712033), (6344, 3295424), (6448, 3242272), (6644, 3146624), (6656, 3140951), (7564, 2763904), (7808, 2677532), (7852, 2662528), (7936, 2634346), (8723, 2396672), (8866, 2358016), (9152, 2284328), (9211, 2269696), (9362, 2233088), (9664, 2163304), (10736, 1947296), (10912, 1915888), (12688, 1647712), (12896, 1621136), (13288, 1573312), (15128, 1381952), (15616, 1338766), (15704, 1331264), (15872, 1317173), (17446, 1198336), (17732, 1179008), (18304, 1142164), (18422, 1134848), (18724, 1116544), (19328, 1081652), (20801, 1005056), (21472, 973648), (21593, 968192), (21824, 957944), (24583, 850432), (25376, 823856), (25792, 810568), (26576, 786656), (30256, 690976), (31232, 669383), (31408, 665632), (34892, 599168), (35464, 589504), (36608, 571082), (36844, 567424), (37448, 558272), (38656, 540826), (41602, 502528), (42944, 486824), (43186, 484096), (43648, 478972), (49166, 425216), (50752, 411928), (51491, 406016), (51584, 405284), (53152, 393328), (60512, 345488), (60853, 343552), (62816, 332816), (69784, 299584), (70928, 294752), (73216, 285541), (73688, 283712), (74896, 279136), (77312, 270413), (83204, 251264), (85888, 243412), (86372, 242048), (87296, 239486), (98332, 212608), (101321, 206336), (101504, 205964), (102982, 203008), (103168, 202642), (106304, 196664), (119743, 174592), (121024, 172744), (121706, 171776), (125632, 166408), (139568, 149792), (141856, 147376)]