20775993

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5527}}^1$

素因数の和:5716

約数の個数: 16

約数和(自身を含む): 31841280

約数和(自身を除く): 11065287

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5527, 16581, 38689, 116067, 989333, 2967999, 6925331, 20775993]

約数ペア:

[(1, 20775993), (3, 6925331), (7, 2967999), (21, 989333), (179, 116067), (537, 38689), (1253, 16581), (3759, 5527)]