20746704205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{20107}}^1$

素因数の和:20389

約数の個数: 32

約数和(自身を含む): 26928633600

約数和(自身を除く): 6181929395

約数列:

[1, 5, 17, 61, 85, 199, 305, 995, 1037, 3383, 5185, 12139, 16915, 20107, 60695, 100535, 206363, 341819, 1031815, 1226527, 1709095, 4001293, 6132635, 20006465, 20850959, 68021981, 104254795, 244078873, 340109905, 1220394365, 4149340841, 20746704205]

約数ペア:

[(1, 20746704205), (5, 4149340841), (17, 1220394365), (61, 340109905), (85, 244078873), (199, 104254795), (305, 68021981), (995, 20850959), (1037, 20006465), (3383, 6132635), (5185, 4001293), (12139, 1709095), (16915, 1226527), (20107, 1031815), (60695, 341819), (100535, 206363)]