20890470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{696349}}^1$

素因数の和:696359

約数の個数: 16

約数和(自身を含む): 50137200

約数和(自身を除く): 29246730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 696349, 1392698, 2089047, 3481745, 4178094, 6963490, 10445235, 20890470]

約数ペア:

[(1, 20890470), (2, 10445235), (3, 6963490), (5, 4178094), (6, 3481745), (10, 2089047), (15, 1392698), (30, 696349)]