20942005

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1949}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 7886795

約数列:

[1, 5, 7, 35, 307, 1535, 1949, 2149, 9745, 10745, 13643, 68215, 598343, 2991715, 4188401, 20942005]

約数ペア:

[(1, 20942005), (5, 4188401), (7, 2991715), (35, 598343), (307, 68215), (1535, 13643), (1949, 10745), (2149, 9745)]