20456870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{292241}}^1$

素因数の和:292255

約数の個数: 16

約数和(自身を含む): 42082848

約数和(自身を除く): 21625978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 292241, 584482, 1461205, 2045687, 2922410, 4091374, 10228435, 20456870]

約数ペア:

[(1, 20456870), (2, 10228435), (5, 4091374), (7, 2922410), (10, 2045687), (14, 1461205), (35, 584482), (70, 292241)]