20776987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1129}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 26035200

約数和(自身を除く): 5258213

約数列:

[1, 7, 11, 77, 239, 1129, 1673, 2629, 7903, 12419, 18403, 86933, 269831, 1888817, 2968141, 20776987]

約数ペア:

[(1, 20776987), (7, 2968141), (11, 1888817), (77, 269831), (239, 86933), (1129, 18403), (1673, 12419), (2629, 7903)]