20018478

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77591}}^1$

素因数の和:77639

約数の個数: 16

約数和(自身を含む): 40968576

約数和(自身を除く): 20950098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77591, 155182, 232773, 465546, 3336413, 6672826, 10009239, 20018478]

約数ペア:

[(1, 20018478), (2, 10009239), (3, 6672826), (6, 3336413), (43, 465546), (86, 232773), (129, 155182), (258, 77591)]