20520882

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14431}}^1$

素因数の和:14518

約数の個数: 24

約数和(自身を含む): 45027840

約数和(自身を除く): 24506958

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14431, 28862, 43293, 86586, 129879, 259758, 1140049, 2280098, 3420147, 6840294, 10260441, 20520882]

約数ペア:

[(1, 20520882), (2, 10260441), (3, 6840294), (6, 3420147), (9, 2280098), (18, 1140049), (79, 259758), (158, 129879), (237, 86586), (474, 43293), (711, 28862), (1422, 14431)]