20880087

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2243}}^1$

素因数の和:2382

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 8202153

約数列:

[1, 3, 29, 87, 107, 321, 2243, 3103, 6729, 9309, 65047, 195141, 240001, 720003, 6960029, 20880087]

約数ペア:

[(1, 20880087), (3, 6960029), (29, 720003), (87, 240001), (107, 195141), (321, 65047), (2243, 9309), (3103, 6729)]