20958610

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23549}}^1$

素因数の和:23645

約数の個数: 16

約数和(自身を含む): 38151000

約数和(自身を除く): 17192390

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23549, 47098, 117745, 235490, 2095861, 4191722, 10479305, 20958610]

約数ペア:

[(1, 20958610), (2, 10479305), (5, 4191722), (10, 2095861), (89, 235490), (178, 117745), (445, 47098), (890, 23549)]