20704370408

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{7818871}}^1$

素因数の和:7819208

約数の個数: 16

約数和(自身を含む): 38937982560

約数和(自身を除く): 18233612152

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 7818871, 15637742, 31275484, 62550968, 2588046301, 5176092602, 10352185204, 20704370408]

約数ペア:

[(1, 20704370408), (2, 10352185204), (4, 5176092602), (8, 2588046301), (331, 62550968), (662, 31275484), (1324, 15637742), (2648, 7818871)]