20176419584

素因数分解:

$2^8\times {\mathrm{78814139}}^1$

素因数の和:78814155

約数の個数: 18

約数和(自身を含む): 40274025540

約数和(自身を除く): 20097605956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78814139, 157628278, 315256556, 630513112, 1261026224, 2522052448, 5044104896, 10088209792, 20176419584]

約数ペア:

[(1, 20176419584), (2, 10088209792), (4, 5044104896), (8, 2522052448), (16, 1261026224), (32, 630513112), (64, 315256556), (128, 157628278), (256, 78814139)]