20453378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25127}}^1$

素因数の和:25177

約数の個数: 16

約数和(自身を含む): 34375104

約数和(自身を除く): 13921726

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25127, 50254, 276397, 552794, 929699, 1859398, 10226689, 20453378]

約数ペア:

[(1, 20453378), (2, 10226689), (11, 1859398), (22, 929699), (37, 552794), (74, 276397), (407, 50254), (814, 25127)]