20986329

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76873}}^1$

素因数の和:76896

約数の個数: 16

約数和(自身を含む): 34439552

約数和(自身を除く): 13453223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76873, 230619, 538111, 999349, 1614333, 2998047, 6995443, 20986329]

約数ペア:

[(1, 20986329), (3, 6995443), (7, 2998047), (13, 1614333), (21, 999349), (39, 538111), (91, 230619), (273, 76873)]