20935178

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{86509}}^1$

素因数の和:86533

約数の個数: 12

約数和(自身を含む): 34517490

約数和(自身を除く): 13582312

約数列:

[1, 2, 11, 22, 121, 242, 86509, 173018, 951599, 1903198, 10467589, 20935178]

約数ペア:

[(1, 20935178), (2, 10467589), (11, 1903198), (22, 951599), (121, 173018), (242, 86509)]