20608805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25601}}^1$

素因数の和:25636

約数の個数: 16

約数和(自身を含む): 29493504

約数和(自身を除く): 8884699

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25601, 128005, 179207, 588823, 896035, 2944115, 4121761, 20608805]

約数ペア:

[(1, 20608805), (5, 4121761), (7, 2944115), (23, 896035), (35, 588823), (115, 179207), (161, 128005), (805, 25601)]