20877549

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90379}}^1$

素因数の和:90400

約数の個数: 16

約数和(自身を含む): 34705920

約数和(自身を除く): 13828371

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90379, 271137, 632653, 994169, 1897959, 2982507, 6959183, 20877549]

約数ペア:

[(1, 20877549), (3, 6959183), (7, 2982507), (11, 1897959), (21, 994169), (33, 632653), (77, 271137), (231, 90379)]