20394676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 37882880

約数和(自身を除く): 17488204

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2113, 2413, 4226, 4826, 8452, 9652, 40147, 80294, 160588, 268351, 536702, 1073404, 5098669, 10197338, 20394676]

約数ペア:

[(1, 20394676), (2, 10197338), (4, 5098669), (19, 1073404), (38, 536702), (76, 268351), (127, 160588), (254, 80294), (508, 40147), (2113, 9652), (2413, 8452), (4226, 4826)]