20871190

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4567}}^1$

素因数の和:5031

約数の個数: 16

約数和(自身を含む): 37658592

約数和(自身を除く): 16787402

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4567, 4570, 9134, 22835, 45670, 2087119, 4174238, 10435595, 20871190]

約数ペア:

[(1, 20871190), (2, 10435595), (5, 4174238), (10, 2087119), (457, 45670), (914, 22835), (2285, 9134), (4567, 4570)]