20454855

素因数分解:

$3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2203}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 32795520

約数和(自身を除く): 12340665

約数列:

[1, 3, 5, 15, 619, 1857, 2203, 3095, 6609, 9285, 11015, 33045, 1363657, 4090971, 6818285, 20454855]

約数ペア:

[(1, 20454855), (3, 6818285), (5, 4090971), (15, 1363657), (619, 33045), (1857, 11015), (2203, 9285), (3095, 6609)]