20199703972

素因数分解:

$2^2\times 7^1\times {\mathrm{721417999}}^1$

素因数の和:721418010

約数の個数: 12

約数和(自身を含む): 40399408000

約数和(自身を除く): 20199704028

約数列:

[1, 2, 4, 7, 14, 28, 721417999, 1442835998, 2885671996, 5049925993, 10099851986, 20199703972]

約数ペア:

[(1, 20199703972), (2, 10099851986), (4, 5049925993), (7, 2885671996), (14, 1442835998), (28, 721417999)]