20733657

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7103}}^1$

素因数の和:7252

約数の個数: 16

約数和(自身を含む): 31825920

約数和(自身を除く): 11092263

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 7103, 21309, 49721, 149163, 987317, 2961951, 6911219, 20733657]

約数ペア:

[(1, 20733657), (3, 6911219), (7, 2961951), (21, 987317), (139, 149163), (417, 49721), (973, 21309), (2919, 7103)]