20628433

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3607}}^1$

素因数の和:3676

約数の個数: 16

約数和(自身を含む): 25400320

約数和(自身を除く): 4771887

約数列:

[1, 7, 19, 43, 133, 301, 817, 3607, 5719, 25249, 68533, 155101, 479731, 1085707, 2946919, 20628433]

約数ペア:

[(1, 20628433), (7, 2946919), (19, 1085707), (43, 479731), (133, 155101), (301, 68533), (817, 25249), (3607, 5719)]