20687112578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{1307821}}^1$

素因数の和:1308553

約数の個数: 16

約数和(自身を含む): 33898746240

約数和(自身を除く): 13211633662

約数列:

[1, 2, 11, 22, 719, 1438, 7909, 15818, 1307821, 2615642, 14386031, 28772062, 940323299, 1880646598, 10343556289, 20687112578]

約数ペア:

[(1, 20687112578), (2, 10343556289), (11, 1880646598), (22, 940323299), (719, 28772062), (1438, 14386031), (7909, 2615642), (15818, 1307821)]