20786741

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 12

約数和(自身を含む): 22274784

約数和(自身を除く): 1488043

約数列:

[1, 19, 71, 361, 811, 1349, 15409, 25631, 57581, 292771, 1094039, 20786741]

約数ペア:

[(1, 20786741), (19, 1094039), (71, 292771), (361, 57581), (811, 25631), (1349, 15409)]