20392156

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{46771}}^1$

素因数の和:46884

約数の個数: 12

約数和(自身を含む): 36014440

約数和(自身を除く): 15622284

約数列:

[1, 2, 4, 109, 218, 436, 46771, 93542, 187084, 5098039, 10196078, 20392156]

約数ペア:

[(1, 20392156), (2, 10196078), (4, 5098039), (109, 187084), (218, 93542), (436, 46771)]