20631972

素因数分解:

$2^2\times 3^1\times {\mathrm{659}}^1\times {\mathrm{2609}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 48232800

約数和(自身を除く): 27600828

約数列:

[1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2609, 2636, 3954, 5218, 7827, 7908, 10436, 15654, 31308, 1719331, 3438662, 5157993, 6877324, 10315986, 20631972]

約数ペア:

[(1, 20631972), (2, 10315986), (3, 6877324), (4, 5157993), (6, 3438662), (12, 1719331), (659, 31308), (1318, 15654), (1977, 10436), (2609, 7908), (2636, 7827), (3954, 5218)]