20601245

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5501}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 28522368

約数和(自身を除く): 7921123

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5501, 27505, 38507, 192535, 588607, 2943035, 4120249, 20601245]

約数ペア:

[(1, 20601245), (5, 4120249), (7, 2943035), (35, 588607), (107, 192535), (535, 38507), (749, 27505), (3745, 5501)]