20943681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33403}}^1$

素因数の和:33436

約数の個数: 16

約数和(自身を含む): 32067840

約数和(自身を除く): 11124159

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33403, 100209, 367433, 634657, 1102299, 1903971, 6981227, 20943681]

約数ペア:

[(1, 20943681), (3, 6981227), (11, 1903971), (19, 1102299), (33, 634657), (57, 367433), (209, 100209), (627, 33403)]