2019220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14423}}^1$

素因数の和:14439

約数の個数: 24

約数和(自身を含む): 4846464

約数和(自身を除く): 2827244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14423, 28846, 57692, 72115, 100961, 144230, 201922, 288460, 403844, 504805, 1009610, 2019220]

約数ペア:

[(1, 2019220), (2, 1009610), (4, 504805), (5, 403844), (7, 288460), (10, 201922), (14, 144230), (20, 100961), (28, 72115), (35, 57692), (70, 28846), (140, 14423)]