20412595

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6553}}^1$

素因数の和:6654

約数の個数: 16

約数和(自身を含む): 28313280

約数和(自身を除く): 7900685

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6553, 32765, 45871, 229355, 583217, 2916085, 4082519, 20412595]

約数ペア:

[(1, 20412595), (5, 4082519), (7, 2916085), (35, 583217), (89, 229355), (445, 45871), (623, 32765), (3115, 6553)]