2021981168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1779913}}^1$

素因数の和:1779992

約数の個数: 20

約数和(自身を含む): 3972768048

約数和(自身を除く): 1950786880

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1779913, 3559826, 7119652, 14239304, 28478608, 126373823, 252747646, 505495292, 1010990584, 2021981168]

約数ペア:

[(1, 2021981168), (2, 1010990584), (4, 505495292), (8, 252747646), (16, 126373823), (71, 28478608), (142, 14239304), (284, 7119652), (568, 3559826), (1136, 1779913)]