20154043

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 26142480

約数和(自身を除く): 5988437

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1091, 1421, 2639, 7637, 14183, 18473, 31639, 53459, 99281, 221473, 411307, 694967, 1550311, 2879149, 20154043]

約数ペア:

[(1, 20154043), (7, 2879149), (13, 1550311), (29, 694967), (49, 411307), (91, 221473), (203, 99281), (377, 53459), (637, 31639), (1091, 18473), (1421, 14183), (2639, 7637)]