20121479047

素因数分解:

${\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1\times {\mathrm{3803}}^1$

素因数の和:5094

約数の個数: 16

約数和(自身を含む): 21282923520

約数和(自身を除く): 1161444473

約数列:

[1, 19, 281, 991, 3803, 5339, 18829, 72257, 278471, 1068643, 3768773, 5290949, 20304217, 71606687, 1059025213, 20121479047]

約数ペア:

[(1, 20121479047), (19, 1059025213), (281, 71606687), (991, 20304217), (3803, 5290949), (5339, 3768773), (18829, 1068643), (72257, 278471)]