20092919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 25149696

約数和(自身を除く): 5056777

約数列:

[1, 7, 11, 77, 457, 571, 3199, 3997, 5027, 6281, 35189, 43967, 260947, 1826629, 2870417, 20092919]

約数ペア:

[(1, 20092919), (7, 2870417), (11, 1826629), (77, 260947), (457, 43967), (571, 35189), (3199, 6281), (3997, 5027)]