20086780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143477}}^1$

素因数の和:143493

約数の個数: 24

約数和(自身を含む): 48208608

約数和(自身を除く): 28121828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143477, 286954, 573908, 717385, 1004339, 1434770, 2008678, 2869540, 4017356, 5021695, 10043390, 20086780]

約数ペア:

[(1, 20086780), (2, 10043390), (4, 5021695), (5, 4017356), (7, 2869540), (10, 2008678), (14, 1434770), (20, 1004339), (28, 717385), (35, 573908), (70, 286954), (140, 143477)]