20776886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5749}}^1$

素因数の和:5903

約数の個数: 16

約数和(自身を含む): 33810000

約数和(自身を除く): 13033114

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5749, 11498, 74737, 149474, 799111, 1598222, 10388443, 20776886]

約数ペア:

[(1, 20776886), (2, 10388443), (13, 1598222), (26, 799111), (139, 149474), (278, 74737), (1807, 11498), (3614, 5749)]