20333439

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16987}}^1$

素因数の和:17019

約数の個数: 24

約数和(自身を含む): 35335040

約数和(自身を除く): 15001601

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16987, 50961, 118909, 152883, 322753, 356727, 968259, 1070181, 2259271, 2904777, 6777813, 20333439]

約数ペア:

[(1, 20333439), (3, 6777813), (7, 2904777), (9, 2259271), (19, 1070181), (21, 968259), (57, 356727), (63, 322753), (133, 152883), (171, 118909), (399, 50961), (1197, 16987)]