20787003675

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2467}}^1$

素因数の和:2584

約数の個数: 144

約数和(自身を含む): 41216389760

約数和(自身を除く): 20429386085

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 73, 75, 81, 95, 135, 171, 219, 225, 243, 285, 365, 405, 475, 513, 657, 675, 855, 1095, 1215, 1387, 1425, 1539, 1825, 1971, 2025, 2467, 2565, 3285, 4161, 4275, 4617, 5475, 5913, 6075, 6935, 7401, 7695, 9855, 12335, 12483, 12825, 16425, 17739, 20805, 22203, 23085, 29565, 34675, 37005, 37449, 38475, 46873, 49275, 61675, 62415, 66609, 88695, 104025, 111015, 112347, 115425, 140619, 147825, 180091, 185025, 187245, 199827, 234365, 312075, 333045, 337041, 421857, 443475, 540273, 555075, 561735, 599481, 703095, 900455, 936225, 999135, 1171825, 1265571, 1620819, 1665225, 1685205, 2109285, 2701365, 2808675, 2997405, 3421729, 3515475, 3796713, 4502275, 4862457, 4995675, 6327855, 8104095, 8426025, 10265187, 10546425, 11390139, 13506825, 14587371, 14987025, 17108645, 18983565, 24312285, 30795561, 31639275, 40520475, 43762113, 51325935, 56950695, 72936855, 85543225, 92386683, 94917825, 121561425, 153977805, 218810565, 256629675, 277160049, 284753475, 364684275, 461933415, 769889025, 831480147, 1094052825, 1385800245, 2309667075, 4157400735, 6929001225, 20787003675]

約数ペア:

[(1, 20787003675), (3, 6929001225), (5, 4157400735), (9, 2309667075), (15, 1385800245), (19, 1094052825), (25, 831480147), (27, 769889025), (45, 461933415), (57, 364684275), (73, 284753475), (75, 277160049), (81, 256629675), (95, 218810565), (135, 153977805), (171, 121561425), (219, 94917825), (225, 92386683), (243, 85543225), (285, 72936855), (365, 56950695), (405, 51325935), (475, 43762113), (513, 40520475), (657, 31639275), (675, 30795561), (855, 24312285), (1095, 18983565), (1215, 17108645), (1387, 14987025), (1425, 14587371), (1539, 13506825), (1825, 11390139), (1971, 10546425), (2025, 10265187), (2467, 8426025), (2565, 8104095), (3285, 6327855), (4161, 4995675), (4275, 4862457), (4617, 4502275), (5475, 3796713), (5913, 3515475), (6075, 3421729), (6935, 2997405), (7401, 2808675), (7695, 2701365), (9855, 2109285), (12335, 1685205), (12483, 1665225), (12825, 1620819), (16425, 1265571), (17739, 1171825), (20805, 999135), (22203, 936225), (23085, 900455), (29565, 703095), (34675, 599481), (37005, 561735), (37449, 555075), (38475, 540273), (46873, 443475), (49275, 421857), (61675, 337041), (62415, 333045), (66609, 312075), (88695, 234365), (104025, 199827), (111015, 187245), (112347, 185025), (115425, 180091), (140619, 147825)]