20187091568

素因数分解:

$2^4\times 7^1\times {\mathrm{180241889}}^1$

素因数の和:180241904

約数の個数: 20

約数和(自身を含む): 44699988720

約数和(自身を除く): 24512897152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180241889, 360483778, 720967556, 1261693223, 1441935112, 2523386446, 2883870224, 5046772892, 10093545784, 20187091568]

約数ペア:

[(1, 20187091568), (2, 10093545784), (4, 5046772892), (7, 2883870224), (8, 2523386446), (14, 1441935112), (16, 1261693223), (28, 720967556), (56, 360483778), (112, 180241889)]