20115753

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25889}}^1$

素因数の和:25936

約数の個数: 16

約数和(自身を含む): 31482240

約数和(自身を除く): 11366487

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25889, 77667, 181223, 543669, 957893, 2873679, 6705251, 20115753]

約数ペア:

[(1, 20115753), (3, 6705251), (7, 2873679), (21, 957893), (37, 543669), (111, 181223), (259, 77667), (777, 25889)]