20085758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18524674

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 121, 142, 154, 167, 242, 334, 497, 781, 847, 994, 1169, 1562, 1694, 1837, 2338, 3674, 5467, 8591, 10934, 11857, 12859, 17182, 20207, 23714, 25718, 40414, 60137, 82999, 120274, 130427, 141449, 165998, 260854, 282898, 912989, 1434697, 1825978, 2869394, 10042879, 20085758]

約数ペア:

[(1, 20085758), (2, 10042879), (7, 2869394), (11, 1825978), (14, 1434697), (22, 912989), (71, 282898), (77, 260854), (121, 165998), (142, 141449), (154, 130427), (167, 120274), (242, 82999), (334, 60137), (497, 40414), (781, 25718), (847, 23714), (994, 20207), (1169, 17182), (1562, 12859), (1694, 11857), (1837, 10934), (2338, 8591), (3674, 5467)]