20554581

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13001}}^1$

素因数の和:13052

約数の個数: 16

約数和(自身を含む): 29956608

約数和(自身を除く): 9402027

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13001, 39003, 221017, 403031, 663051, 1209093, 6851527, 20554581]

約数ペア:

[(1, 20554581), (3, 6851527), (17, 1209093), (31, 663051), (51, 403031), (93, 221017), (527, 39003), (1581, 13001)]