20604095

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 5246785

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2039, 10105, 10195, 87677, 95833, 438385, 479165, 4120819, 20604095]

約数ペア:

[(1, 20604095), (5, 4120819), (43, 479165), (47, 438385), (215, 95833), (235, 87677), (2021, 10195), (2039, 10105)]