20690708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{941}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 37981440

約数和(自身を除く): 17290732

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 941, 956, 1882, 3764, 5497, 10994, 21643, 21988, 43286, 86572, 224899, 449798, 899596, 5172677, 10345354, 20690708]

約数ペア:

[(1, 20690708), (2, 10345354), (4, 5172677), (23, 899596), (46, 449798), (92, 224899), (239, 86572), (478, 43286), (941, 21988), (956, 21643), (1882, 10994), (3764, 5497)]