20171179

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4099}}^1$

素因数の和:4162

約数の個数: 16

約数和(自身を含む): 24928000

約数和(自身を除く): 4756821

約数列:

[1, 7, 19, 37, 133, 259, 703, 4099, 4921, 28693, 77881, 151663, 545167, 1061641, 2881597, 20171179]

約数ペア:

[(1, 20171179), (7, 2881597), (19, 1061641), (37, 545167), (133, 151663), (259, 77881), (703, 28693), (4099, 4921)]