20147006978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33466789}}^1$

素因数の和:33466841

約数の個数: 16

約数和(自身を含む): 35340930240

約数和(自身を除く): 15193923262

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 33466789, 66933578, 234267523, 468535046, 1439071927, 2878143854, 10073503489, 20147006978]

約数ペア:

[(1, 20147006978), (2, 10073503489), (7, 2878143854), (14, 1439071927), (43, 468535046), (86, 234267523), (301, 66933578), (602, 33466789)]