20565380773

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1\times {\mathrm{1249}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 24373440000

約数和(自身を除く): 3808059227

約数列:

[1, 7, 41, 103, 287, 557, 721, 1249, 3899, 4223, 8743, 22837, 29561, 51209, 57371, 128647, 159859, 358463, 401597, 695693, 900529, 2352211, 4869851, 5274527, 16465477, 28523413, 36921689, 71656379, 199663891, 501594653, 2937911539, 20565380773]

約数ペア:

[(1, 20565380773), (7, 2937911539), (41, 501594653), (103, 199663891), (287, 71656379), (557, 36921689), (721, 28523413), (1249, 16465477), (3899, 5274527), (4223, 4869851), (8743, 2352211), (22837, 900529), (29561, 695693), (51209, 401597), (57371, 358463), (128647, 159859)]