20521696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49331}}^1$

素因数の和:49354

約数の個数: 24

約数和(自身を含む): 43510824

約数和(自身を除く): 22989128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49331, 98662, 197324, 394648, 641303, 789296, 1282606, 1578592, 2565212, 5130424, 10260848, 20521696]

約数ペア:

[(1, 20521696), (2, 10260848), (4, 5130424), (8, 2565212), (13, 1578592), (16, 1282606), (26, 789296), (32, 641303), (52, 394648), (104, 197324), (208, 98662), (416, 49331)]