20794051208

素因数分解:

$2^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1879}}^1$

素因数の和:2052

約数の個数: 128

約数和(自身を含む): 47150400000

約数和(自身を除く): 26356348792

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 109, 148, 196, 218, 259, 296, 343, 392, 436, 518, 686, 763, 872, 1036, 1372, 1526, 1813, 1879, 2072, 2744, 3052, 3626, 3758, 4033, 5341, 6104, 7252, 7516, 8066, 10682, 12691, 13153, 14504, 15032, 16132, 21364, 25382, 26306, 28231, 32264, 37387, 42728, 50764, 52612, 56462, 69523, 74774, 92071, 101528, 105224, 112924, 139046, 149548, 184142, 197617, 204811, 225848, 278092, 299096, 368284, 395234, 409622, 486661, 556184, 644497, 736568, 790468, 819244, 973322, 1288994, 1383319, 1433677, 1580936, 1638488, 1946644, 2577988, 2766638, 2867354, 3406627, 3893288, 5155976, 5533276, 5734708, 6813254, 7578007, 10035739, 11066552, 11469416, 13626508, 15156014, 20071478, 23846389, 27253016, 30312028, 40142956, 47692778, 53046049, 60624056, 70250173, 80285912, 95385556, 106092098, 140500346, 190771112, 212184196, 281000692, 371322343, 424368392, 562001384, 742644686, 1485289372, 2599256401, 2970578744, 5198512802, 10397025604, 20794051208]

約数ペア:

[(1, 20794051208), (2, 10397025604), (4, 5198512802), (7, 2970578744), (8, 2599256401), (14, 1485289372), (28, 742644686), (37, 562001384), (49, 424368392), (56, 371322343), (74, 281000692), (98, 212184196), (109, 190771112), (148, 140500346), (196, 106092098), (218, 95385556), (259, 80285912), (296, 70250173), (343, 60624056), (392, 53046049), (436, 47692778), (518, 40142956), (686, 30312028), (763, 27253016), (872, 23846389), (1036, 20071478), (1372, 15156014), (1526, 13626508), (1813, 11469416), (1879, 11066552), (2072, 10035739), (2744, 7578007), (3052, 6813254), (3626, 5734708), (3758, 5533276), (4033, 5155976), (5341, 3893288), (6104, 3406627), (7252, 2867354), (7516, 2766638), (8066, 2577988), (10682, 1946644), (12691, 1638488), (13153, 1580936), (14504, 1433677), (15032, 1383319), (16132, 1288994), (21364, 973322), (25382, 819244), (26306, 790468), (28231, 736568), (32264, 644497), (37387, 556184), (42728, 486661), (50764, 409622), (52612, 395234), (56462, 368284), (69523, 299096), (74774, 278092), (92071, 225848), (101528, 204811), (105224, 197617), (112924, 184142), (139046, 149548)]