20903554

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4801}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 35957376

約数和(自身を除く): 15053822

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4801, 9602, 33607, 67214, 1493111, 2986222, 10451777, 20903554]

約数ペア:

[(1, 20903554), (2, 10451777), (7, 2986222), (14, 1493111), (311, 67214), (622, 33607), (2177, 9602), (4354, 4801)]