20443276

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1487}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 40997376

約数和(自身を除く): 20554100

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1487, 1964, 2974, 3437, 5948, 6874, 10409, 13748, 20818, 41636, 730117, 1460234, 2920468, 5110819, 10221638, 20443276]

約数ペア:

[(1, 20443276), (2, 10221638), (4, 5110819), (7, 2920468), (14, 1460234), (28, 730117), (491, 41636), (982, 20818), (1487, 13748), (1964, 10409), (2974, 6874), (3437, 5948)]