201820208

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206783}}^1$

素因数の和:206852

約数の個数: 20

約数和(自身を含む): 397438848

約数和(自身を除く): 195618640

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206783, 413566, 827132, 1654264, 3308528, 12613763, 25227526, 50455052, 100910104, 201820208]

約数ペア:

[(1, 201820208), (2, 100910104), (4, 50455052), (8, 25227526), (16, 12613763), (61, 3308528), (122, 1654264), (244, 827132), (488, 413566), (976, 206783)]