20178880022

素因数分解:

$2^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{402949}}^1$

素因数の和:403045

約数の個数: 32

約数和(自身を含む): 35781960000

約数和(自身を除く): 15603079978

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 343, 511, 686, 1022, 3577, 7154, 25039, 50078, 402949, 805898, 2820643, 5641286, 19744501, 29415277, 39489002, 58830554, 138211507, 205906939, 276423014, 411813878, 1441348573, 2882697146, 10089440011, 20178880022]

約数ペア:

[(1, 20178880022), (2, 10089440011), (7, 2882697146), (14, 1441348573), (49, 411813878), (73, 276423014), (98, 205906939), (146, 138211507), (343, 58830554), (511, 39489002), (686, 29415277), (1022, 19744501), (3577, 5641286), (7154, 2820643), (25039, 805898), (50078, 402949)]