20571453

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14197}}^1$

素因数の和:14233

約数の個数: 24

約数和(自身を含む): 35438208

約数和(自身を除く): 14866755

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14197, 42591, 99379, 127773, 298137, 326531, 894411, 979593, 2285717, 2938779, 6857151, 20571453]

約数ペア:

[(1, 20571453), (3, 6857151), (7, 2938779), (9, 2285717), (21, 979593), (23, 894411), (63, 326531), (69, 298137), (161, 127773), (207, 99379), (483, 42591), (1449, 14197)]