20529279995

素因数分解:

$5^1\times 7^1\times {\mathrm{2099}}^1\times {\mathrm{279443}}^1$

素因数の和:281554

約数の個数: 16

約数和(自身を含む): 28167955200

約数和(自身を除く): 7638675205

約数列:

[1, 5, 7, 35, 2099, 10495, 14693, 73465, 279443, 1397215, 1956101, 9780505, 586550857, 2932754285, 4105855999, 20529279995]

約数ペア:

[(1, 20529279995), (5, 4105855999), (7, 2932754285), (35, 586550857), (2099, 9780505), (10495, 1956101), (14693, 1397215), (73465, 279443)]