20657103677

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3788209}}^1$

素因数の和:3788276

約数の個数: 16

約数和(自身を含む): 25456771200

約数和(自身を除く): 4799667523

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 3788209, 26517463, 71975971, 155316569, 503831797, 1087215983, 2951014811, 20657103677]

約数ペア:

[(1, 20657103677), (7, 2951014811), (19, 1087215983), (41, 503831797), (133, 155316569), (287, 71975971), (779, 26517463), (5453, 3788209)]