20870060

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2377}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 43945440

約数和(自身を除く): 23075380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2377, 4390, 4754, 8780, 9508, 11885, 23770, 47540, 1043503, 2087006, 4174012, 5217515, 10435030, 20870060]

約数ペア:

[(1, 20870060), (2, 10435030), (4, 5217515), (5, 4174012), (10, 2087006), (20, 1043503), (439, 47540), (878, 23770), (1756, 11885), (2195, 9508), (2377, 8780), (4390, 4754)]