20389033

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1847}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4448087

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1847, 11039, 12929, 35093, 153301, 245651, 1073107, 2912719, 20389033]

約数ペア:

[(1, 20389033), (7, 2912719), (19, 1073107), (83, 245651), (133, 153301), (581, 35093), (1577, 12929), (1847, 11039)]