20707359

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 29164800

約数和(自身を除く): 8457441

約数列:

[1, 3, 19, 57, 433, 839, 1299, 2517, 8227, 15941, 24681, 47823, 363287, 1089861, 6902453, 20707359]

約数ペア:

[(1, 20707359), (3, 6902453), (19, 1089861), (57, 363287), (433, 47823), (839, 24681), (1299, 15941), (2517, 8227)]