20483740

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2333}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 43132320

約数和(自身を除く): 22648580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2333, 4390, 4666, 8780, 9332, 11665, 23330, 46660, 1024187, 2048374, 4096748, 5120935, 10241870, 20483740]

約数ペア:

[(1, 20483740), (2, 10241870), (4, 5120935), (5, 4096748), (10, 2048374), (20, 1024187), (439, 46660), (878, 23330), (1756, 11665), (2195, 9332), (2333, 8780), (4390, 4666)]