20890298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73043}}^1$

素因数の和:73069

約数の個数: 16

約数和(自身を含む): 36814176

約数和(自身を除く): 15923878

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73043, 146086, 803473, 949559, 1606946, 1899118, 10445149, 20890298]

約数ペア:

[(1, 20890298), (2, 10445149), (11, 1899118), (13, 1606946), (22, 949559), (26, 803473), (143, 146086), (286, 73043)]