20322575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8933}}^1$

素因数の和:8963

約数の個数: 24

約数和(自身を含む): 31018848

約数和(自身を除く): 10696273

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8933, 44665, 62531, 116129, 223325, 312655, 580645, 812903, 1563275, 2903225, 4064515, 20322575]

約数ペア:

[(1, 20322575), (5, 4064515), (7, 2903225), (13, 1563275), (25, 812903), (35, 580645), (65, 312655), (91, 223325), (175, 116129), (325, 62531), (455, 44665), (2275, 8933)]