20126778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{479209}}^1$

素因数の和:479221

約数の個数: 16

約数和(自身を含む): 46004160

約数和(自身を除く): 25877382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 479209, 958418, 1437627, 2875254, 3354463, 6708926, 10063389, 20126778]

約数ペア:

[(1, 20126778), (2, 10063389), (3, 6708926), (6, 3354463), (7, 2875254), (14, 1437627), (21, 958418), (42, 479209)]