20123817

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5879}}^1$

素因数の和:6052

約数の個数: 16

約数和(自身を含む): 30858240

約数和(自身を除く): 10734423

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5879, 17637, 41153, 123459, 958277, 2874831, 6707939, 20123817]

約数ペア:

[(1, 20123817), (3, 6707939), (7, 2874831), (21, 958277), (163, 123459), (489, 41153), (1141, 17637), (3423, 5879)]