20454938

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4139}}^1$

素因数の和:4501

約数の個数: 16

約数和(自身を含む): 35173440

約数和(自身を除く): 14718502

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4139, 4942, 8278, 28973, 57946, 1461067, 2922134, 10227469, 20454938]

約数ペア:

[(1, 20454938), (2, 10227469), (7, 2922134), (14, 1461067), (353, 57946), (706, 28973), (2471, 8278), (4139, 4942)]