20847389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 24140160

約数和(自身を除く): 3292771

約数列:

[1, 17, 19, 43, 79, 323, 361, 731, 817, 1343, 1501, 3397, 6137, 13889, 15523, 25517, 28519, 57749, 64543, 263891, 484823, 1097231, 1226317, 20847389]

約数ペア:

[(1, 20847389), (17, 1226317), (19, 1097231), (43, 484823), (79, 263891), (323, 64543), (361, 57749), (731, 28519), (817, 25517), (1343, 15523), (1501, 13889), (3397, 6137)]