20353137

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42139}}^1$

素因数の和:42172

約数の個数: 16

約数和(自身を含む): 32363520

約数和(自身を除く): 12010383

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42139, 126417, 294973, 884919, 969197, 2907591, 6784379, 20353137]

約数ペア:

[(1, 20353137), (3, 6784379), (7, 2907591), (21, 969197), (23, 884919), (69, 294973), (161, 126417), (483, 42139)]