20201472004

素因数分解:

$2^2\times 7^1\times {\mathrm{721481143}}^1$

素因数の和:721481154

約数の個数: 12

約数和(自身を含む): 40402944064

約数和(自身を除く): 20201472060

約数列:

[1, 2, 4, 7, 14, 28, 721481143, 1442962286, 2885924572, 5050368001, 10100736002, 20201472004]

約数ペア:

[(1, 20201472004), (2, 10100736002), (4, 5050368001), (7, 2885924572), (14, 1442962286), (28, 721481143)]