20561922

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13763}}^1$

素因数の和:13854

約数の個数: 24

約数和(自身を含む): 45090864

約数和(自身を除く): 24528942

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13763, 27526, 41289, 82578, 123867, 247734, 1142329, 2284658, 3426987, 6853974, 10280961, 20561922]

約数ペア:

[(1, 20561922), (2, 10280961), (3, 6853974), (6, 3426987), (9, 2284658), (18, 1142329), (83, 247734), (166, 123867), (249, 82578), (498, 41289), (747, 27526), (1494, 13763)]