20845669

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2439131

約数列:

[1, 13, 43, 89, 419, 559, 1157, 3827, 5447, 18017, 37291, 49751, 234221, 484783, 1603513, 20845669]

約数ペア:

[(1, 20845669), (13, 1603513), (43, 484783), (89, 234221), (419, 49751), (559, 37291), (1157, 18017), (3827, 5447)]