20408102

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 36

約数和(自身を含む): 36508500

約数和(自身を除く): 16100398

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 169, 242, 286, 338, 499, 998, 1573, 1859, 3146, 3718, 5489, 6487, 10978, 12974, 20449, 40898, 60379, 71357, 84331, 120758, 142714, 168662, 784927, 927641, 1569854, 1855282, 10204051, 20408102]

約数ペア:

[(1, 20408102), (2, 10204051), (11, 1855282), (13, 1569854), (22, 927641), (26, 784927), (121, 168662), (143, 142714), (169, 120758), (242, 84331), (286, 71357), (338, 60379), (499, 40898), (998, 20449), (1573, 12974), (1859, 10978), (3146, 6487), (3718, 5489)]