20851401

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3121}}^1$

素因数の和:3272

約数の個数: 16

約数和(自身を含む): 29671488

約数和(自身を除く): 8820087

約数列:

[1, 3, 17, 51, 131, 393, 2227, 3121, 6681, 9363, 53057, 159171, 408851, 1226553, 6950467, 20851401]

約数ペア:

[(1, 20851401), (3, 6950467), (17, 1226553), (51, 408851), (131, 159171), (393, 53057), (2227, 9363), (3121, 6681)]