20071696581

素因数分解:

$3^2\times {\mathrm{1787}}^1\times {\mathrm{1248007}}^1$

素因数の和:1249800

約数の個数: 12

約数和(自身を含む): 29008697952

約数和(自身を除く): 8937001371

約数列:

[1, 3, 9, 1787, 5361, 16083, 1248007, 3744021, 11232063, 2230188509, 6690565527, 20071696581]

約数ペア:

[(1, 20071696581), (3, 6690565527), (9, 2230188509), (1787, 11232063), (5361, 3744021), (16083, 1248007)]