20139357

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4969}}^1$

素因数の和:5172

約数の個数: 16

約数和(自身を含む): 30853760

約数和(自身を除く): 10714403

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4969, 14907, 34783, 104349, 959017, 2877051, 6713119, 20139357]

約数ペア:

[(1, 20139357), (3, 6713119), (7, 2877051), (21, 959017), (193, 104349), (579, 34783), (1351, 14907), (4053, 4969)]