20386893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3881}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 29068416

約数和(自身を除く): 8681523

約数列:

[1, 3, 17, 51, 103, 309, 1751, 3881, 5253, 11643, 65977, 197931, 399743, 1199229, 6795631, 20386893]

約数ペア:

[(1, 20386893), (3, 6795631), (17, 1199229), (51, 399743), (103, 197931), (309, 65977), (1751, 11643), (3881, 5253)]