20845413

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 31959200

約数和(自身を除く): 11113787

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 877, 1251, 2631, 2641, 7893, 7923, 16663, 23769, 49989, 121903, 149967, 365709, 1097127, 2316157, 6948471, 20845413]

約数ペア:

[(1, 20845413), (3, 6948471), (9, 2316157), (19, 1097127), (57, 365709), (139, 149967), (171, 121903), (417, 49989), (877, 23769), (1251, 16663), (2631, 7923), (2641, 7893)]