20148359

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 26470800

約数和(自身を除く): 6322441

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1289, 1421, 2233, 9023, 14179, 15631, 37381, 63161, 99253, 261667, 411191, 694771, 1831669, 2878337, 20148359]

約数ペア:

[(1, 20148359), (7, 2878337), (11, 1831669), (29, 694771), (49, 411191), (77, 261667), (203, 99253), (319, 63161), (539, 37381), (1289, 15631), (1421, 14179), (2233, 9023)]