2021880656

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{909119}}^1$

素因数の和:909266

約数の個数: 20

約数和(自身を含む): 3945580800

約数和(自身を除く): 1923700144

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 909119, 1818238, 3636476, 7272952, 14545904, 126367541, 252735082, 505470164, 1010940328, 2021880656]

約数ペア:

[(1, 2021880656), (2, 1010940328), (4, 505470164), (8, 252735082), (16, 126367541), (139, 14545904), (278, 7272952), (556, 3636476), (1112, 1818238), (2224, 909119)]