20378087

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 22489632

約数和(自身を除く): 2111545

約数列:

[1, 17, 43, 61, 457, 731, 1037, 2623, 7769, 19651, 27877, 44591, 334067, 473909, 1198711, 20378087]

約数ペア:

[(1, 20378087), (17, 1198711), (43, 473909), (61, 334067), (457, 44591), (731, 27877), (1037, 19651), (2623, 7769)]