20648634

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47143}}^1$

素因数の和:47221

約数の個数: 16

約数和(自身を含む): 41863872

約数和(自身を除く): 21215238

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47143, 94286, 141429, 282858, 3441439, 6882878, 10324317, 20648634]

約数ペア:

[(1, 20648634), (2, 10324317), (3, 6882878), (6, 3441439), (73, 282858), (146, 141429), (219, 94286), (438, 47143)]