20793999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{607}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 29281280

約数和(自身を除く): 8487281

約数列:

[1, 3, 19, 57, 601, 607, 1803, 1821, 11419, 11533, 34257, 34599, 364807, 1094421, 6931333, 20793999]

約数ペア:

[(1, 20793999), (3, 6931333), (19, 1094421), (57, 364807), (601, 34599), (607, 34257), (1803, 11533), (1821, 11419)]