20080078

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3563

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 11218322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3449, 5822, 6898, 141409, 244879, 282818, 489758, 10040039, 20080078]

約数ペア:

[(1, 20080078), (2, 10040039), (41, 489758), (71, 282818), (82, 244879), (142, 141409), (2911, 6898), (3449, 5822)]