20173882561

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{17207}}^1$

素因数の和:17629

約数の個数: 24

約数和(自身を含む): 23870111616

約数和(自身を除く): 3696229055

約数列:

[1, 7, 49, 71, 337, 497, 2359, 3479, 16513, 17207, 23927, 120449, 167489, 843143, 1172423, 1221697, 5798759, 8551879, 40591313, 59863153, 284139191, 411711889, 2881983223, 20173882561]

約数ペア:

[(1, 20173882561), (7, 2881983223), (49, 411711889), (71, 284139191), (337, 59863153), (497, 40591313), (2359, 8551879), (3479, 5798759), (16513, 1221697), (17207, 1172423), (23927, 843143), (120449, 167489)]