20580585

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3259}}^1$

素因数の和:3688

約数の個数: 16

約数和(自身を含む): 33017280

約数和(自身を除く): 12436695

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 3259, 6315, 9777, 16295, 48885, 1372039, 4116117, 6860195, 20580585]

約数ペア:

[(1, 20580585), (3, 6860195), (5, 4116117), (15, 1372039), (421, 48885), (1263, 16295), (2105, 9777), (3259, 6315)]