20678851

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 22744800

約数和(自身を除く): 2065949

約数列:

[1, 17, 53, 59, 389, 901, 1003, 3127, 6613, 20617, 22951, 53159, 350489, 390167, 1216403, 20678851]

約数ペア:

[(1, 20678851), (17, 1216403), (53, 390167), (59, 350489), (389, 53159), (901, 22951), (1003, 20617), (3127, 6613)]