20158943

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 25171200

約数和(自身を除く): 5012257

約数列:

[1, 7, 19, 49, 59, 133, 367, 413, 931, 1121, 2569, 2891, 6973, 7847, 17983, 21653, 48811, 54929, 151571, 341677, 411407, 1060997, 2879849, 20158943]

約数ペア:

[(1, 20158943), (7, 2879849), (19, 1060997), (49, 411407), (59, 341677), (133, 151571), (367, 54929), (413, 48811), (931, 21653), (1121, 17983), (2569, 7847), (2891, 6973)]