20473988

素因数分解:

$2^2\times {\mathrm{1151}}^1\times {\mathrm{4447}}^1$

素因数の和:5602

約数の個数: 12

約数和(自身を含む): 35868672

約数和(自身を除く): 15394684

約数列:

[1, 2, 4, 1151, 2302, 4447, 4604, 8894, 17788, 5118497, 10236994, 20473988]

約数ペア:

[(1, 20473988), (2, 10236994), (4, 5118497), (1151, 17788), (2302, 8894), (4447, 4604)]