20959902

素因数分解:

$2^1\times 3^2\times {\mathrm{1164439}}^1$

素因数の和:1164447

約数の個数: 12

約数和(自身を含む): 45413160

約数和(自身を除く): 24453258

約数列:

[1, 2, 3, 6, 9, 18, 1164439, 2328878, 3493317, 6986634, 10479951, 20959902]

約数ペア:

[(1, 20959902), (2, 10479951), (3, 6986634), (6, 3493317), (9, 2328878), (18, 1164439)]