20960127

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8923}}^1$

素因数の和:8964

約数の個数: 20

約数和(自身を含む): 32394120

約数和(自身を除く): 11433993

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8923, 26769, 80307, 240921, 258767, 722763, 776301, 2328903, 6986709, 20960127]

約数ペア:

[(1, 20960127), (3, 6986709), (9, 2328903), (27, 776301), (29, 722763), (81, 258767), (87, 240921), (261, 80307), (783, 26769), (2349, 8923)]