201648672020

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{18636661}}^1$

素因数の和:18637211

約数の個数: 24

約数和(自身を含む): 424244973768

約数和(自身を除く): 222596301748

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 18636661, 37273322, 74546644, 93183305, 186366610, 372733220, 10082433601, 20164867202, 40329734404, 50412168005, 100824336010, 201648672020]

約数ペア:

[(1, 201648672020), (2, 100824336010), (4, 50412168005), (5, 40329734404), (10, 20164867202), (20, 10082433601), (541, 372733220), (1082, 186366610), (2164, 93183305), (2705, 74546644), (5410, 37273322), (10820, 18636661)]