20291224857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{555361}}^1$

素因数の和:556024

約数の個数: 16

約数和(自身を含む): 28523392320

約数和(自身を除く): 8232167463

約数列:

[1, 3, 19, 57, 641, 1923, 12179, 36537, 555361, 1666083, 10551859, 31655577, 355986401, 1067959203, 6763741619, 20291224857]

約数ペア:

[(1, 20291224857), (3, 6763741619), (19, 1067959203), (57, 355986401), (641, 31655577), (1923, 10551859), (12179, 1666083), (36537, 555361)]