20789553

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{641}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 29275200

約数和(自身を除く): 8485647

約数列:

[1, 3, 19, 57, 569, 641, 1707, 1923, 10811, 12179, 32433, 36537, 364729, 1094187, 6929851, 20789553]

約数ペア:

[(1, 20789553), (3, 6929851), (19, 1094187), (57, 364729), (569, 36537), (641, 32433), (1707, 12179), (1923, 10811)]