20831738137

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{11321}}^1$

素因数の和:11446

約数の個数: 36

約数和(自身を含む): 26218151604

約数和(自身を除く): 5386413467

約数列:

[1, 7, 17, 47, 49, 119, 329, 799, 833, 2209, 2303, 5593, 11321, 15463, 37553, 39151, 79247, 108241, 192457, 262871, 532087, 554729, 1347199, 1840097, 3724609, 9045479, 9430393, 25008089, 26072263, 63318353, 175056623, 425137513, 443228471, 1225396361, 2975962591, 20831738137]

約数ペア:

[(1, 20831738137), (7, 2975962591), (17, 1225396361), (47, 443228471), (49, 425137513), (119, 175056623), (329, 63318353), (799, 26072263), (833, 25008089), (2209, 9430393), (2303, 9045479), (5593, 3724609), (11321, 1840097), (15463, 1347199), (37553, 554729), (39151, 532087), (79247, 262871), (108241, 192457)]