20709829

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5080

約数の個数: 16

約数和(自身を含む): 25722880

約数和(自身を除く): 5013051

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5023, 35161, 95437, 155713, 668059, 1089991, 2958547, 20709829]

約数ペア:

[(1, 20709829), (7, 2958547), (19, 1089991), (31, 668059), (133, 155713), (217, 95437), (589, 35161), (4123, 5023)]