20810306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:898

約数の個数: 24

約数和(自身を含む): 34660332

約数和(自身を除く): 13850026

約数列:

[1, 2, 11, 22, 113, 121, 226, 242, 761, 1243, 1522, 2486, 8371, 13673, 16742, 27346, 85993, 92081, 171986, 184162, 945923, 1891846, 10405153, 20810306]

約数ペア:

[(1, 20810306), (2, 10405153), (11, 1891846), (22, 945923), (113, 184162), (121, 171986), (226, 92081), (242, 85993), (761, 27346), (1243, 16742), (1522, 13673), (2486, 8371)]