20690142508

素因数分解:

$2^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{821}}^1\times {\mathrm{1879}}^1$

素因数の和:3190

約数の個数: 48

約数和(自身を含む): 41539276800

約数和(自身を除く): 20849134292

約数列:

[1, 2, 4, 7, 14, 28, 479, 821, 958, 1642, 1879, 1916, 3284, 3353, 3758, 5747, 6706, 7516, 11494, 13153, 13412, 22988, 26306, 52612, 393259, 786518, 900041, 1542659, 1573036, 1800082, 2752813, 3085318, 3600164, 5505626, 6170636, 6300287, 10798613, 11011252, 12600574, 21597226, 25201148, 43194452, 738933661, 1477867322, 2955734644, 5172535627, 10345071254, 20690142508]

約数ペア:

[(1, 20690142508), (2, 10345071254), (4, 5172535627), (7, 2955734644), (14, 1477867322), (28, 738933661), (479, 43194452), (821, 25201148), (958, 21597226), (1642, 12600574), (1879, 11011252), (1916, 10798613), (3284, 6300287), (3353, 6170636), (3758, 5505626), (5747, 3600164), (6706, 3085318), (7516, 2752813), (11494, 1800082), (13153, 1573036), (13412, 1542659), (22988, 900041), (26306, 786518), (52612, 393259)]