20369913

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 27974400

約数和(自身を除く): 7604487

約数列:

[1, 3, 61, 79, 183, 237, 1409, 4227, 4819, 14457, 85949, 111311, 257847, 333933, 6789971, 20369913]

約数ペア:

[(1, 20369913), (3, 6789971), (61, 333933), (79, 257847), (183, 111311), (237, 85949), (1409, 14457), (4227, 4819)]