20615245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25609}}^1$

素因数の和:25644

約数の個数: 16

約数和(自身を含む): 29502720

約数和(自身を除く): 8887475

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25609, 128045, 179263, 589007, 896315, 2945035, 4123049, 20615245]

約数ペア:

[(1, 20615245), (5, 4123049), (7, 2945035), (23, 896315), (35, 589007), (115, 179263), (161, 128045), (805, 25609)]