16821560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60077}}^1$

素因数の和:60095

約数の個数: 32

約数和(自身を含む): 43256160

約数和(自身を除く): 26434600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60077, 120154, 240308, 300385, 420539, 480616, 600770, 841078, 1201540, 1682156, 2102695, 2403080, 3364312, 4205390, 8410780, 16821560]

約数ペア:

[(1, 16821560), (2, 8410780), (4, 4205390), (5, 3364312), (7, 2403080), (8, 2102695), (10, 1682156), (14, 1201540), (20, 841078), (28, 600770), (35, 480616), (40, 420539), (56, 300385), (70, 240308), (140, 120154), (280, 60077)]