20639024

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1593

約数の個数: 40

約数和(自身を含む): 46092288

約数和(自身を除く): 25453264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1451, 1778, 2032, 2902, 3556, 5804, 7112, 10157, 11608, 14224, 20314, 23216, 40628, 81256, 162512, 184277, 368554, 737108, 1289939, 1474216, 2579878, 2948432, 5159756, 10319512, 20639024]

約数ペア:

[(1, 20639024), (2, 10319512), (4, 5159756), (7, 2948432), (8, 2579878), (14, 1474216), (16, 1289939), (28, 737108), (56, 368554), (112, 184277), (127, 162512), (254, 81256), (508, 40628), (889, 23216), (1016, 20314), (1451, 14224), (1778, 11608), (2032, 10157), (2902, 7112), (3556, 5804)]