20213440881

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3435907}}^1$

素因数の和:3436000

約数の個数: 16

約数和(自身を含む): 28201932864

約数和(自身を除く): 7988491983

約数列:

[1, 3, 37, 53, 111, 159, 1961, 5883, 3435907, 10307721, 127128559, 182103071, 381385677, 546309213, 6737813627, 20213440881]

約数ペア:

[(1, 20213440881), (3, 6737813627), (37, 546309213), (53, 381385677), (111, 182103071), (159, 127128559), (1961, 10307721), (5883, 3435907)]