20964218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{86629}}^1$

素因数の和:86653

約数の個数: 12

約数和(自身を含む): 34565370

約数和(自身を除く): 13601152

約数列:

[1, 2, 11, 22, 121, 242, 86629, 173258, 952919, 1905838, 10482109, 20964218]

約数ペア:

[(1, 20964218), (2, 10482109), (11, 1905838), (22, 952919), (121, 173258), (242, 86629)]