20028532

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 15896588

約数列:

[1, 2, 4, 71, 109, 142, 218, 284, 436, 647, 1294, 2588, 7739, 15478, 30956, 45937, 70523, 91874, 141046, 183748, 282092, 5007133, 10014266, 20028532]

約数ペア:

[(1, 20028532), (2, 10014266), (4, 5007133), (71, 282092), (109, 183748), (142, 141046), (218, 91874), (284, 70523), (436, 45937), (647, 30956), (1294, 15478), (2588, 7739)]