20189273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 2260903

約数列:

[1, 13, 47, 173, 191, 611, 2249, 2483, 8131, 8977, 33043, 105703, 116701, 429559, 1553021, 20189273]

約数ペア:

[(1, 20189273), (13, 1553021), (47, 429559), (173, 116701), (191, 105703), (611, 33043), (2249, 8977), (2483, 8131)]