20744185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53881}}^1$

素因数の和:53904

約数の個数: 16

約数和(自身を含む): 31036032

約数和(自身を除く): 10291847

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53881, 269405, 377167, 592691, 1885835, 2963455, 4148837, 20744185]

約数ペア:

[(1, 20744185), (5, 4148837), (7, 2963455), (11, 1885835), (35, 592691), (55, 377167), (77, 269405), (385, 53881)]