20441278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71473}}^1$

素因数の和:71499

約数の個数: 16

約数和(自身を含む): 36022896

約数和(自身を除く): 15581618

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71473, 142946, 786203, 929149, 1572406, 1858298, 10220639, 20441278]

約数ペア:

[(1, 20441278), (2, 10220639), (11, 1858298), (13, 1572406), (22, 929149), (26, 786203), (143, 142946), (286, 71473)]