220963568

素因数分解:

$2^4\times 7^1\times {\mathrm{1972889}}^1$

素因数の和:1972904

約数の個数: 20

約数和(自身を含む): 489276720

約数和(自身を除く): 268313152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1972889, 3945778, 7891556, 13810223, 15783112, 27620446, 31566224, 55240892, 110481784, 220963568]

約数ペア:

[(1, 220963568), (2, 110481784), (4, 55240892), (7, 31566224), (8, 27620446), (14, 15783112), (16, 13810223), (28, 7891556), (56, 3945778), (112, 1972889)]