20308587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27407}}^1$

素因数の和:27442

約数の個数: 16

約数和(自身を含む): 30696960

約数和(自身を除く): 10388373

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27407, 82221, 356291, 520733, 1068873, 1562199, 6769529, 20308587]

約数ペア:

[(1, 20308587), (3, 6769529), (13, 1562199), (19, 1068873), (39, 520733), (57, 356291), (247, 82221), (741, 27407)]