20199284

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15349}}^1$

素因数の和:15407

約数の個数: 24

約数和(自身を含む): 41260800

約数和(自身を除く): 21061516

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15349, 30698, 61396, 107443, 214886, 429772, 721403, 1442806, 2885612, 5049821, 10099642, 20199284]

約数ペア:

[(1, 20199284), (2, 10099642), (4, 5049821), (7, 2885612), (14, 1442806), (28, 721403), (47, 429772), (94, 214886), (188, 107443), (329, 61396), (658, 30698), (1316, 15349)]