20832891

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2202

約数の個数: 16

約数和(自身を含む): 28781568

約数和(自身を除く): 7948677

約数列:

[1, 3, 47, 71, 141, 213, 2081, 3337, 6243, 10011, 97807, 147751, 293421, 443253, 6944297, 20832891]

約数ペア:

[(1, 20832891), (3, 6944297), (47, 443253), (71, 293421), (141, 147751), (213, 97807), (2081, 10011), (3337, 6243)]