20009143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4903}}^1$

素因数の和:4974

約数の個数: 16

約数和(自身を含む): 25422336

約数和(自身を除く): 5413193

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4903, 34321, 53933, 259859, 377531, 1819013, 2858449, 20009143]

約数ペア:

[(1, 20009143), (7, 2858449), (11, 1819013), (53, 377531), (77, 259859), (371, 53933), (583, 34321), (4081, 4903)]