20191269

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8821}}^1$

素因数の和:8940

約数の個数: 16

約数和(自身を含む): 31053440

約数和(自身を除く): 10862171

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8821, 26463, 61747, 185241, 961489, 2884467, 6730423, 20191269]

約数ペア:

[(1, 20191269), (3, 6730423), (7, 2884467), (21, 961489), (109, 185241), (327, 61747), (763, 26463), (2289, 8821)]