20526159

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 7640241

約数列:

[1, 3, 59, 89, 177, 267, 1303, 3909, 5251, 15753, 76877, 115967, 230631, 347901, 6842053, 20526159]

約数ペア:

[(1, 20526159), (3, 6842053), (59, 347901), (89, 230631), (177, 115967), (267, 76877), (1303, 15753), (3909, 5251)]