20854526

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 18405634

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 191, 382, 709, 1337, 1418, 2101, 2674, 4202, 4963, 7799, 9926, 14707, 15598, 29414, 54593, 109186, 135419, 270838, 947933, 1489609, 1895866, 2979218, 10427263, 20854526]

約数ペア:

[(1, 20854526), (2, 10427263), (7, 2979218), (11, 1895866), (14, 1489609), (22, 947933), (77, 270838), (154, 135419), (191, 109186), (382, 54593), (709, 29414), (1337, 15598), (1418, 14707), (2101, 9926), (2674, 7799), (4202, 4963)]