20022442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9011}}^1$

素因数の和:9125

約数の個数: 16

約数和(自身を含む): 33092064

約数和(自身を除く): 13069622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9011, 18022, 99121, 198242, 910111, 1820222, 10011221, 20022442]

約数ペア:

[(1, 20022442), (2, 10011221), (11, 1820222), (22, 910111), (101, 198242), (202, 99121), (1111, 18022), (2222, 9011)]