20423065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7307}}^1$

素因数の和:7368

約数の個数: 16

約数和(自身を含む): 27010368

約数和(自身を除く): 6587303

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7307, 36535, 94991, 314201, 474955, 1571005, 4084613, 20423065]

約数ペア:

[(1, 20423065), (5, 4084613), (13, 1571005), (43, 474955), (65, 314201), (215, 94991), (559, 36535), (2795, 7307)]