20344268

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1123}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 40787712

約数和(自身を除く): 20443444

約数列:

[1, 2, 4, 7, 14, 28, 647, 1123, 1294, 2246, 2588, 4492, 4529, 7861, 9058, 15722, 18116, 31444, 726581, 1453162, 2906324, 5086067, 10172134, 20344268]

約数ペア:

[(1, 20344268), (2, 10172134), (4, 5086067), (7, 2906324), (14, 1453162), (28, 726581), (647, 31444), (1123, 18116), (1294, 15722), (2246, 9058), (2588, 7861), (4492, 4529)]