20808464

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4799}}^1$

素因数の和:5078

約数の個数: 20

約数和(自身を含む): 40473600

約数和(自身を除く): 19665136

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4799, 9598, 19196, 38392, 76784, 1300529, 2601058, 5202116, 10404232, 20808464]

約数ペア:

[(1, 20808464), (2, 10404232), (4, 5202116), (8, 2601058), (16, 1300529), (271, 76784), (542, 38392), (1084, 19196), (2168, 9598), (4336, 4799)]