20654989

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 1895411

約数列:

[1, 23, 29, 173, 179, 667, 3979, 4117, 5017, 5191, 30967, 115391, 119393, 712241, 898043, 20654989]

約数ペア:

[(1, 20654989), (23, 898043), (29, 712241), (173, 119393), (179, 115391), (667, 30967), (3979, 5191), (4117, 5017)]