20373745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25309}}^1$

素因数の和:25344

約数の個数: 16

約数和(自身を含む): 29157120

約数和(自身を除く): 8783375

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25309, 126545, 177163, 582107, 885815, 2910535, 4074749, 20373745]

約数ペア:

[(1, 20373745), (5, 4074749), (7, 2910535), (23, 885815), (35, 582107), (115, 177163), (161, 126545), (805, 25309)]