20113989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50411}}^1$

素因数の和:50440

約数の個数: 16

約数和(自身を含む): 32263680

約数和(自身を除く): 12149691

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50411, 151233, 352877, 957809, 1058631, 2873427, 6704663, 20113989]

約数ペア:

[(1, 20113989), (3, 6704663), (7, 2873427), (19, 1058631), (21, 957809), (57, 352877), (133, 151233), (399, 50411)]