20791353

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4013}}^1$

素因数の和:4184

約数の個数: 16

約数和(自身を含む): 30442176

約数和(自身を除く): 9650823

約数列:

[1, 3, 11, 33, 157, 471, 1727, 4013, 5181, 12039, 44143, 132429, 630041, 1890123, 6930451, 20791353]

約数ペア:

[(1, 20791353), (3, 6930451), (11, 1890123), (33, 630041), (157, 132429), (471, 44143), (1727, 12039), (4013, 5181)]