20722982

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2053}}^1$

素因数の和:2172

約数の個数: 24

約数和(自身を含む): 36528336

約数和(自身を除く): 15805354

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2053, 4106, 5047, 10094, 14371, 28742, 100597, 201194, 211459, 422918, 1480213, 2960426, 10361491, 20722982]

約数ペア:

[(1, 20722982), (2, 10361491), (7, 2960426), (14, 1480213), (49, 422918), (98, 211459), (103, 201194), (206, 100597), (721, 28742), (1442, 14371), (2053, 10094), (4106, 5047)]