16871540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120511}}^1$

素因数の和:120527

約数の個数: 24

約数和(自身を含む): 40492032

約数和(自身を除く): 23620492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120511, 241022, 482044, 602555, 843577, 1205110, 1687154, 2410220, 3374308, 4217885, 8435770, 16871540]

約数ペア:

[(1, 16871540), (2, 8435770), (4, 4217885), (5, 3374308), (7, 2410220), (10, 1687154), (14, 1205110), (20, 843577), (28, 602555), (35, 482044), (70, 241022), (140, 120511)]