20548255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45161}}^1$

素因数の和:45186

約数の個数: 16

約数和(自身を含む): 30348864

約数和(自身を除く): 9800609

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 45161, 225805, 316127, 587093, 1580635, 2935465, 4109651, 20548255]

約数ペア:

[(1, 20548255), (5, 4109651), (7, 2935465), (13, 1580635), (35, 587093), (65, 316127), (91, 225805), (455, 45161)]