20827261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13463}}^1$

素因数の和:13500

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 6316163

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13463, 94241, 175019, 228871, 1225133, 1602097, 2975323, 20827261]

約数ペア:

[(1, 20827261), (7, 2975323), (13, 1602097), (17, 1225133), (91, 228871), (119, 175019), (221, 94241), (1547, 13463)]