20014389

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 30789720

約数和(自身を除く): 10775331

約数列:

[1, 3, 9, 17, 51, 153, 257, 509, 771, 1527, 2313, 4369, 4581, 8653, 13107, 25959, 39321, 77877, 130813, 392439, 1177317, 2223821, 6671463, 20014389]

約数ペア:

[(1, 20014389), (3, 6671463), (9, 2223821), (17, 1177317), (51, 392439), (153, 130813), (257, 77877), (509, 39321), (771, 25959), (1527, 13107), (2313, 8653), (4369, 4581)]