20431244

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71941}}^1$

素因数の和:72016

約数の個数: 12

約数和(自身を含む): 36258768

約数和(自身を除く): 15827524

約数列:

[1, 2, 4, 71, 142, 284, 71941, 143882, 287764, 5107811, 10215622, 20431244]

約数ペア:

[(1, 20431244), (2, 10215622), (4, 5107811), (71, 287764), (142, 143882), (284, 71941)]