20656970

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43951}}^1$

素因数の和:44005

約数の個数: 16

約数和(自身を含む): 37974528

約数和(自身を除く): 17317558

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43951, 87902, 219755, 439510, 2065697, 4131394, 10328485, 20656970]

約数ペア:

[(1, 20656970), (2, 10328485), (5, 4131394), (10, 2065697), (47, 439510), (94, 219755), (235, 87902), (470, 43951)]