20298509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1103}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 5137651

約数列:

[1, 7, 11, 77, 239, 1103, 1673, 2629, 7721, 12133, 18403, 84931, 263617, 1845319, 2899787, 20298509]

約数ペア:

[(1, 20298509), (7, 2899787), (11, 1845319), (77, 263617), (239, 84931), (1103, 18403), (1673, 12133), (2629, 7721)]