20781684018

素因数分解:

$2^1\times 3^2\times {\mathrm{3943}}^1\times {\mathrm{292807}}^1$

素因数の和:296758

約数の個数: 24

約数和(自身を含む): 45038555328

約数和(自身を除く): 24256871310

約数列:

[1, 2, 3, 6, 9, 18, 3943, 7886, 11829, 23658, 35487, 70974, 292807, 585614, 878421, 1756842, 2635263, 5270526, 1154538001, 2309076002, 3463614003, 6927228006, 10390842009, 20781684018]

約数ペア:

[(1, 20781684018), (2, 10390842009), (3, 6927228006), (6, 3463614003), (9, 2309076002), (18, 1154538001), (3943, 5270526), (7886, 2635263), (11829, 1756842), (23658, 878421), (35487, 585614), (70974, 292807)]