20844124

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 36

約数和(自身を含む): 42720496

約数和(自身を除く): 21876372

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 337, 658, 674, 1316, 1348, 2209, 2359, 4418, 4718, 8836, 9436, 15463, 15839, 30926, 31678, 61852, 63356, 110873, 221746, 443492, 744433, 1488866, 2977732, 5211031, 10422062, 20844124]

約数ペア:

[(1, 20844124), (2, 10422062), (4, 5211031), (7, 2977732), (14, 1488866), (28, 744433), (47, 443492), (94, 221746), (188, 110873), (329, 63356), (337, 61852), (658, 31678), (674, 30926), (1316, 15839), (1348, 15463), (2209, 9436), (2359, 8836), (4418, 4718)]