201820078

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{82781}}^1$

素因数の和:82859

約数の個数: 16

約数和(自身を含む): 321856416

約数和(自身を除く): 120036338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 82781, 165562, 1903963, 3807926, 4387393, 8774786, 100910039, 201820078]

約数ペア:

[(1, 201820078), (2, 100910039), (23, 8774786), (46, 4387393), (53, 3807926), (106, 1903963), (1219, 165562), (2438, 82781)]