20881878

素因数分解:

$2^1\times 3^1\times {\mathrm{1303}}^1\times {\mathrm{2671}}^1$

素因数の和:3979

約数の個数: 16

約数和(自身を含む): 41811456

約数和(自身を除く): 20929578

約数列:

[1, 2, 3, 6, 1303, 2606, 2671, 3909, 5342, 7818, 8013, 16026, 3480313, 6960626, 10440939, 20881878]

約数ペア:

[(1, 20881878), (2, 10440939), (3, 6960626), (6, 3480313), (1303, 16026), (2606, 8013), (2671, 7818), (3909, 5342)]