2080305872

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{392807}}^1$

素因数の和:393146

約数の個数: 20

約数和(自身を含む): 4042779936

約数和(自身を除く): 1962474064

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 392807, 785614, 1571228, 3142456, 6284912, 130019117, 260038234, 520076468, 1040152936, 2080305872]

約数ペア:

[(1, 2080305872), (2, 1040152936), (4, 520076468), (8, 260038234), (16, 130019117), (331, 6284912), (662, 3142456), (1324, 1571228), (2648, 785614), (5296, 392807)]