20719131

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7585509

約数列:

[1, 3, 53, 159, 311, 419, 933, 1257, 16483, 22207, 49449, 66621, 130309, 390927, 6906377, 20719131]

約数ペア:

[(1, 20719131), (3, 6906377), (53, 390927), (159, 130309), (311, 66621), (419, 49449), (933, 22207), (1257, 16483)]