20523369789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{740141}}^1$

素因数の和:740242

約数の個数: 32

約数和(自身を含む): 33158361600

約数和(自身を除く): 12634991811

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 9243, 27729, 740141, 2220423, 6661269, 9621833, 19983807, 28865499, 58471139, 86596497, 175413417, 259789491, 526240251, 760124807, 1578720753, 2280374421, 6841123263, 20523369789]

約数ペア:

[(1, 20523369789), (3, 6841123263), (9, 2280374421), (13, 1578720753), (27, 760124807), (39, 526240251), (79, 259789491), (117, 175413417), (237, 86596497), (351, 58471139), (711, 28865499), (1027, 19983807), (2133, 9621833), (3081, 6661269), (9243, 2220423), (27729, 740141)]