20400968

素因数分解:

$2^3\times 7^1\times {\mathrm{364303}}^1$

素因数の和:364316

約数の個数: 16

約数和(自身を含む): 43716480

約数和(自身を除く): 23315512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364303, 728606, 1457212, 2550121, 2914424, 5100242, 10200484, 20400968]

約数ペア:

[(1, 20400968), (2, 10200484), (4, 5100242), (7, 2914424), (8, 2550121), (14, 1457212), (28, 728606), (56, 364303)]