20760369

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7433}}^1$

素因数の和:7469

約数の個数: 24

約数和(自身を含む): 33899040

約数和(自身を除く): 13138671

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7433, 22299, 52031, 141227, 156093, 364217, 423681, 988589, 1092651, 2965767, 6920123, 20760369]

約数ペア:

[(1, 20760369), (3, 6920123), (7, 2965767), (19, 1092651), (21, 988589), (49, 423681), (57, 364217), (133, 156093), (147, 141227), (399, 52031), (931, 22299), (2793, 7433)]