20256717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27337}}^1$

素因数の和:27372

約数の個数: 16

約数和(自身を含む): 30618560

約数和(自身を除く): 10361843

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27337, 82011, 355381, 519403, 1066143, 1558209, 6752239, 20256717]

約数ペア:

[(1, 20256717), (3, 6752239), (13, 1558209), (19, 1066143), (39, 519403), (57, 355381), (247, 82011), (741, 27337)]