20691416

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{4261}}^1$

素因数の和:4874

約数の個数: 16

約数和(自身を含む): 38869440

約数和(自身を除く): 18178024

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4261, 4856, 8522, 17044, 34088, 2586427, 5172854, 10345708, 20691416]

約数ペア:

[(1, 20691416), (2, 10345708), (4, 5172854), (8, 2586427), (607, 34088), (1214, 17044), (2428, 8522), (4261, 4856)]