20747194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11239}}^1$

素因数の和:11325

約数の個数: 16

約数和(自身を含む): 33989760

約数和(自身を除く): 13242566

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11239, 22478, 146107, 292214, 797969, 1595938, 10373597, 20747194]

約数ペア:

[(1, 20747194), (2, 10373597), (13, 1595938), (26, 797969), (71, 292214), (142, 146107), (923, 22478), (1846, 11239)]