20535717

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 28042560

約数和(自身を除く): 7506843

約数列:

[1, 3, 59, 177, 181, 543, 641, 1923, 10679, 32037, 37819, 113457, 116021, 348063, 6845239, 20535717]

約数ペア:

[(1, 20535717), (3, 6845239), (59, 348063), (177, 116021), (181, 113457), (543, 37819), (641, 32037), (1923, 10679)]