20197593

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19181}}^1$

素因数の和:19206

約数の個数: 20

約数和(自身を含む): 32494308

約数和(自身を除く): 12296715

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19181, 57543, 172629, 249353, 517887, 748059, 1553661, 2244177, 6732531, 20197593]

約数ペア:

[(1, 20197593), (3, 6732531), (9, 2244177), (13, 1553661), (27, 748059), (39, 517887), (81, 249353), (117, 172629), (351, 57543), (1053, 19181)]