20079513

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10246887

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 719, 963, 2157, 3103, 6471, 9309, 20851, 27927, 62553, 76933, 187659, 230799, 692397, 2231057, 6693171, 20079513]

約数ペア:

[(1, 20079513), (3, 6693171), (9, 2231057), (29, 692397), (87, 230799), (107, 187659), (261, 76933), (321, 62553), (719, 27927), (963, 20851), (2157, 9309), (3103, 6471)]