20115039

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 31404720

約数和(自身を除く): 11289681

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 709, 1351, 2127, 4053, 4963, 9457, 14889, 28371, 34741, 104223, 136837, 410511, 957859, 2873577, 6705013, 20115039]

約数ペア:

[(1, 20115039), (3, 6705013), (7, 2873577), (21, 957859), (49, 410511), (147, 136837), (193, 104223), (579, 34741), (709, 28371), (1351, 14889), (2127, 9457), (4053, 4963)]