20780662

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14411}}^1$

素因数の和:14523

約数の個数: 16

約数和(自身を含む): 35972352

約数和(自身を除く): 15191690

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14411, 28822, 100877, 201754, 1484333, 2968666, 10390331, 20780662]

約数ペア:

[(1, 20780662), (2, 10390331), (7, 2968666), (14, 1484333), (103, 201754), (206, 100877), (721, 28822), (1442, 14411)]