2015421904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1774139}}^1$

素因数の和:1774218

約数の個数: 20

約数和(自身を含む): 3959880480

約数和(自身を除く): 1944458576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1774139, 3548278, 7096556, 14193112, 28386224, 125963869, 251927738, 503855476, 1007710952, 2015421904]

約数ペア:

[(1, 2015421904), (2, 1007710952), (4, 503855476), (8, 251927738), (16, 125963869), (71, 28386224), (142, 14193112), (284, 7096556), (568, 3548278), (1136, 1774139)]