20543425

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 29462400

約数和(自身を除く): 8918975

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 1319, 2225, 3115, 6595, 9233, 15575, 32975, 46165, 117391, 230825, 586955, 821737, 2934775, 4108685, 20543425]

約数ペア:

[(1, 20543425), (5, 4108685), (7, 2934775), (25, 821737), (35, 586955), (89, 230825), (175, 117391), (445, 46165), (623, 32975), (1319, 15575), (2225, 9233), (3115, 6595)]