20782636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43661}}^1$

素因数の和:43689

約数の個数: 24

約数和(自身を含む): 44011296

約数和(自身を除く): 23228660

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43661, 87322, 174644, 305627, 611254, 742237, 1222508, 1484474, 2968948, 5195659, 10391318, 20782636]

約数ペア:

[(1, 20782636), (2, 10391318), (4, 5195659), (7, 2968948), (14, 1484474), (17, 1222508), (28, 742237), (34, 611254), (68, 305627), (119, 174644), (238, 87322), (476, 43661)]