16720144

素因数分解:

$2^4\times 7^1\times {\mathrm{149287}}^1$

素因数の和:149302

約数の個数: 20

約数和(自身を含む): 37023424

約数和(自身を除く): 20303280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149287, 298574, 597148, 1045009, 1194296, 2090018, 2388592, 4180036, 8360072, 16720144]

約数ペア:

[(1, 16720144), (2, 8360072), (4, 4180036), (7, 2388592), (8, 2090018), (14, 1194296), (16, 1045009), (28, 597148), (56, 298574), (112, 149287)]