20951259

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58687}}^1$

素因数の和:58714

約数の個数: 16

約数和(自身を含む): 33804288

約数和(自身を除く): 12853029

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58687, 176061, 410809, 997679, 1232427, 2993037, 6983753, 20951259]

約数ペア:

[(1, 20951259), (3, 6983753), (7, 2993037), (17, 1232427), (21, 997679), (51, 410809), (119, 176061), (357, 58687)]