20207884

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{63949}}^1$

素因数の和:64032

約数の個数: 12

約数和(自身を含む): 35812000

約数和(自身を除く): 15604116

約数列:

[1, 2, 4, 79, 158, 316, 63949, 127898, 255796, 5051971, 10103942, 20207884]

約数ペア:

[(1, 20207884), (2, 10103942), (4, 5051971), (79, 255796), (158, 127898), (316, 63949)]