20868484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57331}}^1$

素因数の和:57355

約数の個数: 24

約数和(自身を含む): 44948288

約数和(自身を除く): 24079804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57331, 114662, 229324, 401317, 745303, 802634, 1490606, 1605268, 2981212, 5217121, 10434242, 20868484]

約数ペア:

[(1, 20868484), (2, 10434242), (4, 5217121), (7, 2981212), (13, 1605268), (14, 1490606), (26, 802634), (28, 745303), (52, 401317), (91, 229324), (182, 114662), (364, 57331)]