20398359

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 28172288

約数和(自身を除く): 7773929

約数列:

[1, 3, 37, 111, 127, 381, 1447, 4341, 4699, 14097, 53539, 160617, 183769, 551307, 6799453, 20398359]

約数ペア:

[(1, 20398359), (3, 6799453), (37, 551307), (111, 183769), (127, 160617), (381, 53539), (1447, 14097), (4341, 4699)]