19995085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8867}}^1$

素因数の和:8924

約数の個数: 16

約数和(自身を含む): 26816832

約数和(自身を除く): 6821747

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8867, 44335, 97537, 363547, 487685, 1817735, 3999017, 19995085]

約数ペア:

[(1, 19995085), (5, 3999017), (11, 1817735), (41, 487685), (55, 363547), (205, 97537), (451, 44335), (2255, 8867)]