20608497

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25163}}^1$

素因数の和:25189

約数の個数: 24

約数和(自身を含む): 36638784

約数和(自身を除く): 16030287

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25163, 75489, 176141, 226467, 327119, 528423, 981357, 1585269, 2289833, 2944071, 6869499, 20608497]

約数ペア:

[(1, 20608497), (3, 6869499), (7, 2944071), (9, 2289833), (13, 1585269), (21, 981357), (39, 528423), (63, 327119), (91, 226467), (117, 176141), (273, 75489), (819, 25163)]