20188502495

素因数分解:

$5^1\times 7^2\times {\mathrm{1039}}^1\times {\mathrm{79309}}^1$

素因数の和:80367

約数の個数: 24

約数和(自身を含む): 28208980800

約数和(自身を除く): 8020478305

約数列:

[1, 5, 7, 35, 49, 245, 1039, 5195, 7273, 36365, 50911, 79309, 254555, 396545, 555163, 2775815, 3886141, 19430705, 82402051, 412010255, 576814357, 2884071785, 4037700499, 20188502495]

約数ペア:

[(1, 20188502495), (5, 4037700499), (7, 2884071785), (35, 576814357), (49, 412010255), (245, 82402051), (1039, 19430705), (5195, 3886141), (7273, 2775815), (36365, 555163), (50911, 396545), (79309, 254555)]