20769378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 47616000

約数和(自身を除く): 26846622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499, 991, 998, 1497, 1982, 2973, 2994, 3493, 5946, 6937, 6986, 10479, 13874, 20811, 20958, 41622, 494509, 989018, 1483527, 2967054, 3461563, 6923126, 10384689, 20769378]

約数ペア:

[(1, 20769378), (2, 10384689), (3, 6923126), (6, 3461563), (7, 2967054), (14, 1483527), (21, 989018), (42, 494509), (499, 41622), (991, 20958), (998, 20811), (1497, 13874), (1982, 10479), (2973, 6986), (2994, 6937), (3493, 5946)]