20387508

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{23929}}^1$

素因数の和:24007

約数の個数: 24

約数和(自身を含む): 48242880

約数和(自身を除く): 27855372

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 23929, 47858, 71787, 95716, 143574, 287148, 1698959, 3397918, 5096877, 6795836, 10193754, 20387508]

約数ペア:

[(1, 20387508), (2, 10193754), (3, 6795836), (4, 5096877), (6, 3397918), (12, 1698959), (71, 287148), (142, 143574), (213, 95716), (284, 71787), (426, 47858), (852, 23929)]