20838455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9241}}^1$

素因数の和:9298

約数の個数: 16

約数和(自身を含む): 27947808

約数和(自身を除く): 7109353

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9241, 46205, 101651, 378881, 508255, 1894405, 4167691, 20838455]

約数ペア:

[(1, 20838455), (5, 4167691), (11, 1894405), (41, 508255), (55, 378881), (205, 101651), (451, 46205), (2255, 9241)]