20893466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9403}}^1$

素因数の和:9517

約数の個数: 16

約数和(自身を含む): 34531488

約数和(自身を除く): 13638022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9403, 18806, 103433, 206866, 949703, 1899406, 10446733, 20893466]

約数ペア:

[(1, 20893466), (2, 10446733), (11, 1899406), (22, 949703), (101, 206866), (202, 103433), (1111, 18806), (2222, 9403)]