20805217192

素因数分解:

$2^3\times {\mathrm{3727}}^1\times {\mathrm{697787}}^1$

素因数の和:701520

約数の個数: 16

約数和(自身を含む): 39020304960

約数和(自身を除く): 18215087768

約数列:

[1, 2, 4, 8, 3727, 7454, 14908, 29816, 697787, 1395574, 2791148, 5582296, 2600652149, 5201304298, 10402608596, 20805217192]

約数ペア:

[(1, 20805217192), (2, 10402608596), (4, 5201304298), (8, 2600652149), (3727, 5582296), (7454, 2791148), (14908, 1395574), (29816, 697787)]