20940078

素因数分解:

$2^1\times 3^1\times {\mathrm{1621}}^1\times {\mathrm{2153}}^1$

素因数の和:3779

約数の個数: 16

約数和(自身を含む): 41925456

約数和(自身を除く): 20985378

約数列:

[1, 2, 3, 6, 1621, 2153, 3242, 4306, 4863, 6459, 9726, 12918, 3490013, 6980026, 10470039, 20940078]

約数ペア:

[(1, 20940078), (2, 10470039), (3, 6980026), (6, 3490013), (1621, 12918), (2153, 9726), (3242, 6459), (4306, 4863)]