20957286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3929}}^1$

素因数の和:4068

約数の個数: 32

約数和(自身を含む): 48291840

約数和(自身を除く): 27334554

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3929, 5334, 7858, 11787, 23574, 27503, 55006, 82509, 165018, 498983, 997966, 1496949, 2993898, 3492881, 6985762, 10478643, 20957286]

約数ペア:

[(1, 20957286), (2, 10478643), (3, 6985762), (6, 3492881), (7, 2993898), (14, 1496949), (21, 997966), (42, 498983), (127, 165018), (254, 82509), (381, 55006), (762, 27503), (889, 23574), (1778, 11787), (2667, 7858), (3929, 5334)]