20661886

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4111}}^1$

素因数の和:4479

約数の個数: 16

約数和(自身を含む): 35527680

約数和(自身を除く): 14865794

約数列:

[1, 2, 7, 14, 359, 718, 2513, 4111, 5026, 8222, 28777, 57554, 1475849, 2951698, 10330943, 20661886]

約数ペア:

[(1, 20661886), (2, 10330943), (7, 2951698), (14, 1475849), (359, 57554), (718, 28777), (2513, 8222), (4111, 5026)]