20180272

素因数分解:

$2^4\times 7^1\times {\mathrm{180181}}^1$

素因数の和:180196

約数の個数: 20

約数和(自身を含む): 44685136

約数和(自身を除く): 24504864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180181, 360362, 720724, 1261267, 1441448, 2522534, 2882896, 5045068, 10090136, 20180272]

約数ペア:

[(1, 20180272), (2, 10090136), (4, 5045068), (7, 2882896), (8, 2522534), (14, 1441448), (16, 1261267), (28, 720724), (56, 360362), (112, 180181)]