20880543

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{601}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 28732256

約数和(自身を除く): 7851713

約数列:

[1, 3, 37, 111, 313, 601, 939, 1803, 11581, 22237, 34743, 66711, 188113, 564339, 6960181, 20880543]

約数ペア:

[(1, 20880543), (3, 6960181), (37, 564339), (111, 188113), (313, 66711), (601, 34743), (939, 22237), (1803, 11581)]