20181567

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56531}}^1$

素因数の和:56558

約数の個数: 16

約数和(自身を含む): 32562432

約数和(自身を除く): 12380865

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56531, 169593, 395717, 961027, 1187151, 2883081, 6727189, 20181567]

約数ペア:

[(1, 20181567), (3, 6727189), (7, 2883081), (17, 1187151), (21, 961027), (51, 395717), (119, 169593), (357, 56531)]