20173577389

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{1889}}^1\times {\mathrm{11471}}^1$

素因数の和:13393

約数の個数: 24

約数和(自身を含む): 24717571200

約数和(自身を除く): 4543993811

約数列:

[1, 7, 19, 49, 133, 931, 1889, 11471, 13223, 35891, 80297, 92561, 217949, 251237, 562079, 1525643, 1758659, 10679501, 21668719, 151681033, 411705661, 1061767231, 2881939627, 20173577389]

約数ペア:

[(1, 20173577389), (7, 2881939627), (19, 1061767231), (49, 411705661), (133, 151681033), (931, 21668719), (1889, 10679501), (11471, 1758659), (13223, 1525643), (35891, 562079), (80297, 251237), (92561, 217949)]