20256197

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 3032635

約数列:

[1, 13, 17, 151, 221, 607, 1963, 2567, 7891, 10319, 33371, 91657, 134147, 1191541, 1558169, 20256197]

約数ペア:

[(1, 20256197), (13, 1558169), (17, 1191541), (151, 134147), (221, 91657), (607, 33371), (1963, 10319), (2567, 7891)]