20684534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5807}}^1$

素因数の和:5959

約数の個数: 16

約数和(自身を含む): 33663168

約数和(自身を除く): 12978634

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5807, 11614, 75491, 150982, 795559, 1591118, 10342267, 20684534]

約数ペア:

[(1, 20684534), (2, 10342267), (13, 1591118), (26, 795559), (137, 150982), (274, 75491), (1781, 11614), (3562, 5807)]