20913621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11083}}^1$

素因数の和:11140

約数の個数: 16

約数和(自身を含む): 30325824

約数和(自身を除く): 9412203

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11083, 33249, 188411, 410071, 565233, 1230213, 6971207, 20913621]

約数ペア:

[(1, 20913621), (3, 6971207), (17, 1230213), (37, 565233), (51, 410071), (111, 188411), (629, 33249), (1887, 11083)]