20127939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7703}}^1$

素因数の和:7786

約数の個数: 16

約数和(自身を含む): 29336832

約数和(自身を除く): 9208893

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7703, 23109, 100139, 300417, 516101, 1548303, 6709313, 20127939]

約数ペア:

[(1, 20127939), (3, 6709313), (13, 1548303), (39, 516101), (67, 300417), (201, 100139), (871, 23109), (2613, 7703)]