20710361749

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{641923}}^1$

素因数の和:642360

約数の個数: 16

約数和(自身を含む): 25882375680

約数和(自身を除く): 5172013931

約数列:

[1, 7, 11, 77, 419, 2933, 4609, 32263, 641923, 4493461, 7061153, 49428071, 268965737, 1882760159, 2958623107, 20710361749]

約数ペア:

[(1, 20710361749), (7, 2958623107), (11, 1882760159), (77, 268965737), (419, 49428071), (2933, 7061153), (4609, 4493461), (32263, 641923)]