20690982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88423}}^1$

素因数の和:88444

約数の個数: 24

約数和(自身を含む): 48279504

約数和(自身を除く): 27588522

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88423, 176846, 265269, 530538, 795807, 1149499, 1591614, 2298998, 3448497, 6896994, 10345491, 20690982]

約数ペア:

[(1, 20690982), (2, 10345491), (3, 6896994), (6, 3448497), (9, 2298998), (13, 1591614), (18, 1149499), (26, 795807), (39, 530538), (78, 265269), (117, 176846), (234, 88423)]