20869910

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16433}}^1$

素因数の和:16567

約数の個数: 16

約数和(自身を含む): 37863936

約数和(自身を除く): 16994026

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16433, 32866, 82165, 164330, 2086991, 4173982, 10434955, 20869910]

約数ペア:

[(1, 20869910), (2, 10434955), (5, 4173982), (10, 2086991), (127, 164330), (254, 82165), (635, 32866), (1270, 16433)]