20268787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{571}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 5100557

約数列:

[1, 7, 11, 77, 461, 571, 3227, 3997, 5071, 6281, 35497, 43967, 263231, 1842617, 2895541, 20268787]

約数ペア:

[(1, 20268787), (7, 2895541), (11, 1842617), (77, 263231), (461, 43967), (571, 35497), (3227, 6281), (3997, 5071)]