20554893

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 10744947

約数列:

[1, 3, 9, 23, 69, 109, 207, 327, 911, 981, 2507, 2733, 7521, 8199, 20953, 22563, 62859, 99299, 188577, 297897, 893691, 2283877, 6851631, 20554893]

約数ペア:

[(1, 20554893), (3, 6851631), (9, 2283877), (23, 893691), (69, 297897), (109, 188577), (207, 99299), (327, 62859), (911, 22563), (981, 20953), (2507, 8199), (2733, 7521)]