42020242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18911}}^1$

素因数の和:19025

約数の個数: 16

約数和(自身を含む): 69444864

約数和(自身を除く): 27424622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 18911, 37822, 208021, 416042, 1910011, 3820022, 21010121, 42020242]

約数ペア:

[(1, 42020242), (2, 21010121), (11, 3820022), (22, 1910011), (101, 416042), (202, 208021), (1111, 37822), (2222, 18911)]