20846991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13441}}^1$

素因数の和:13502

約数の個数: 16

約数和(自身を含む): 30970368

約数和(自身を除く): 10123377

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13441, 40323, 147851, 443553, 631727, 1895181, 6948997, 20846991]

約数ペア:

[(1, 20846991), (3, 6948997), (11, 1895181), (33, 631727), (47, 443553), (141, 147851), (517, 40323), (1551, 13441)]