20078079

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50321}}^1$

素因数の和:50350

約数の個数: 16

約数和(自身を含む): 32206080

約数和(自身を除く): 12128001

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50321, 150963, 352247, 956099, 1056741, 2868297, 6692693, 20078079]

約数ペア:

[(1, 20078079), (3, 6692693), (7, 2868297), (19, 1056741), (21, 956099), (57, 352247), (133, 150963), (399, 50321)]