20565543

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1889}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 8464857

約数列:

[1, 3, 19, 57, 191, 573, 1889, 3629, 5667, 10887, 35891, 107673, 360799, 1082397, 6855181, 20565543]

約数ペア:

[(1, 20565543), (3, 6855181), (19, 1082397), (57, 360799), (191, 107673), (573, 35891), (1889, 10887), (3629, 5667)]