20187607

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22823712

約数和(自身を除く): 2636105

約数列:

[1, 11, 37, 193, 257, 407, 2123, 2827, 7141, 9509, 49601, 78551, 104599, 545611, 1835237, 20187607]

約数ペア:

[(1, 20187607), (11, 1835237), (37, 545611), (193, 104599), (257, 78551), (407, 49601), (2123, 9509), (2827, 7141)]