20879181

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6089}}^1$

素因数の和:6225

約数の個数: 16

約数和(自身を含む): 31180800

約数和(自身を除く): 10301619

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6089, 18267, 54801, 164403, 773303, 2319909, 6959727, 20879181]

約数ペア:

[(1, 20879181), (3, 6959727), (9, 2319909), (27, 773303), (127, 164403), (381, 54801), (1143, 18267), (3429, 6089)]