20989248009

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{3889}}^1\times {\mathrm{10399}}^1$

素因数の和:14464

約数の個数: 16

約数和(自身を含む): 28157376000

約数和(自身を除く): 7168127991

約数列:

[1, 3, 173, 519, 3889, 10399, 11667, 31197, 672797, 1799027, 2018391, 5397081, 40441711, 121325133, 6996416003, 20989248009]

約数ペア:

[(1, 20989248009), (3, 6996416003), (173, 121325133), (519, 40441711), (3889, 5397081), (10399, 2018391), (11667, 1799027), (31197, 672797)]