20199709964

素因数分解:

$2^2\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{252509}}^1$

素因数の和:255377

約数の個数: 24

約数和(自身を含む): 40413720480

約数和(自身を除く): 20214010516

約数列:

[1, 2, 4, 7, 14, 28, 2857, 5714, 11428, 19999, 39998, 79996, 252509, 505018, 1010036, 1767563, 3535126, 7070252, 721418213, 1442836426, 2885672852, 5049927491, 10099854982, 20199709964]

約数ペア:

[(1, 20199709964), (2, 10099854982), (4, 5049927491), (7, 2885672852), (14, 1442836426), (28, 721418213), (2857, 7070252), (5714, 3535126), (11428, 1767563), (19999, 1010036), (39998, 505018), (79996, 252509)]