20180959856

素因数分解:

$2^4\times {\mathrm{6389}}^1\times {\mathrm{197419}}^1$

素因数の和:203816

約数の個数: 20

約数和(自身を含む): 39106927800

約数和(自身を除く): 18925967944

約数列:

[1, 2, 4, 8, 16, 6389, 12778, 25556, 51112, 102224, 197419, 394838, 789676, 1579352, 3158704, 1261309991, 2522619982, 5045239964, 10090479928, 20180959856]

約数ペア:

[(1, 20180959856), (2, 10090479928), (4, 5045239964), (8, 2522619982), (16, 1261309991), (6389, 3158704), (12778, 1579352), (25556, 789676), (51112, 394838), (102224, 197419)]