20110825

素因数分解:

$5^2\times 7^2\times {\mathrm{16417}}^1$

素因数の和:16441

約数の個数: 18

約数和(自身を含む): 29010606

約数和(自身を除く): 8899781

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 16417, 82085, 114919, 410425, 574595, 804433, 2872975, 4022165, 20110825]

約数ペア:

[(1, 20110825), (5, 4022165), (7, 2872975), (25, 804433), (35, 574595), (49, 410425), (175, 114919), (245, 82085), (1225, 16417)]