20141855

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 26259552

約数和(自身を除く): 6117697

約数列:

[1, 5, 17, 53, 85, 263, 265, 289, 901, 1315, 1445, 4471, 4505, 13939, 15317, 22355, 69695, 76007, 76585, 236963, 380035, 1184815, 4028371, 20141855]

約数ペア:

[(1, 20141855), (5, 4028371), (17, 1184815), (53, 380035), (85, 236963), (263, 76585), (265, 76007), (289, 69695), (901, 22355), (1315, 15317), (1445, 13939), (4471, 4505)]