20199442844

素因数分解:

$2^2\times 7^1\times {\mathrm{721408673}}^1$

素因数の和:721408684

約数の個数: 12

約数和(自身を含む): 40398885744

約数和(自身を除く): 20199442900

約数列:

[1, 2, 4, 7, 14, 28, 721408673, 1442817346, 2885634692, 5049860711, 10099721422, 20199442844]

約数ペア:

[(1, 20199442844), (2, 10099721422), (4, 5049860711), (7, 2885634692), (14, 1442817346), (28, 721408673)]