20176870568

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{563}}^1\times {\mathrm{17431}}^1$

素因数の和:18257

約数の個数: 32

約数和(自身を含む): 38048477760

約数和(自身を除く): 17871607192

約数列:

[1, 2, 4, 8, 257, 514, 563, 1028, 1126, 2056, 2252, 4504, 17431, 34862, 69724, 139448, 144691, 289382, 578764, 1157528, 4479767, 8959534, 9813653, 17919068, 19627306, 35838136, 39254612, 78509224, 2522108821, 5044217642, 10088435284, 20176870568]

約数ペア:

[(1, 20176870568), (2, 10088435284), (4, 5044217642), (8, 2522108821), (257, 78509224), (514, 39254612), (563, 35838136), (1028, 19627306), (1126, 17919068), (2056, 9813653), (2252, 8959534), (4504, 4479767), (17431, 1157528), (34862, 578764), (69724, 289382), (139448, 144691)]