20755585

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 5095295

約数列:

[1, 5, 31, 155, 359, 373, 1795, 1865, 11129, 11563, 55645, 57815, 133907, 669535, 4151117, 20755585]

約数ペア:

[(1, 20755585), (5, 4151117), (31, 669535), (155, 133907), (359, 57815), (373, 55645), (1795, 11563), (1865, 11129)]