20688047318

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{35573}}^1$

素因数の和:35912

約数の個数: 32

約数和(自身を含む): 33092357760

約数和(自身を除く): 12404310442

約数列:

[1, 2, 29, 37, 58, 74, 271, 542, 1073, 2146, 7859, 10027, 15718, 20054, 35573, 71146, 290783, 581566, 1031617, 1316201, 2063234, 2632402, 9640283, 19280566, 38169829, 76339658, 279568207, 356690471, 559136414, 713380942, 10344023659, 20688047318]

約数ペア:

[(1, 20688047318), (2, 10344023659), (29, 713380942), (37, 559136414), (58, 356690471), (74, 279568207), (271, 76339658), (542, 38169829), (1073, 19280566), (2146, 9640283), (7859, 2632402), (10027, 2063234), (15718, 1316201), (20054, 1031617), (35573, 581566), (71146, 290783)]