20302235

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 25233120

約数和(自身を除く): 4930885

約数列:

[1, 5, 43, 89, 215, 445, 1061, 3827, 5305, 19135, 45623, 94429, 228115, 472145, 4060447, 20302235]

約数ペア:

[(1, 20302235), (5, 4060447), (43, 472145), (89, 228115), (215, 94429), (445, 45623), (1061, 19135), (3827, 5305)]