20676460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147689}}^1$

素因数の和:147705

約数の個数: 24

約数和(自身を含む): 49623840

約数和(自身を除く): 28947380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147689, 295378, 590756, 738445, 1033823, 1476890, 2067646, 2953780, 4135292, 5169115, 10338230, 20676460]

約数ペア:

[(1, 20676460), (2, 10338230), (4, 5169115), (5, 4135292), (7, 2953780), (10, 2067646), (14, 1476890), (20, 1033823), (28, 738445), (35, 590756), (70, 295378), (140, 147689)]