20755701

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{821}}^1$

素因数の和:933

約数の個数: 18

約数和(自身を含む): 30594018

約数和(自身を除く): 9838317

約数列:

[1, 3, 9, 53, 159, 477, 821, 2463, 2809, 7389, 8427, 25281, 43513, 130539, 391617, 2306189, 6918567, 20755701]

約数ペア:

[(1, 20755701), (3, 6918567), (9, 2306189), (53, 391617), (159, 130539), (477, 43513), (821, 25281), (2463, 8427), (2809, 7389)]