20123143942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{715159}}^1$

素因数の和:716451

約数の個数: 16

約数和(自身を含む): 32954572800

約数和(自身を除く): 12831428858

約数列:

[1, 2, 11, 22, 1279, 2558, 14069, 28138, 715159, 1430318, 7866749, 15733498, 914688361, 1829376722, 10061571971, 20123143942]

約数ペア:

[(1, 20123143942), (2, 10061571971), (11, 1829376722), (22, 914688361), (1279, 15733498), (2558, 7866749), (14069, 1430318), (28138, 715159)]