20299184

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 40497408

約数和(自身を除く): 20198224

約数列:

[1, 2, 4, 8, 16, 71, 107, 142, 167, 214, 284, 334, 428, 568, 668, 856, 1136, 1336, 1712, 2672, 7597, 11857, 15194, 17869, 23714, 30388, 35738, 47428, 60776, 71476, 94856, 121552, 142952, 189712, 285904, 1268699, 2537398, 5074796, 10149592, 20299184]

約数ペア:

[(1, 20299184), (2, 10149592), (4, 5074796), (8, 2537398), (16, 1268699), (71, 285904), (107, 189712), (142, 142952), (167, 121552), (214, 94856), (284, 71476), (334, 60776), (428, 47428), (568, 35738), (668, 30388), (856, 23714), (1136, 17869), (1336, 15194), (1712, 11857), (2672, 7597)]