20322676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 39474400

約数和(自身を除く): 19151724

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 211, 242, 398, 422, 484, 796, 844, 2189, 2321, 4378, 4642, 8756, 9284, 24079, 25531, 41989, 48158, 51062, 83978, 96316, 102124, 167956, 461879, 923758, 1847516, 5080669, 10161338, 20322676]

約数ペア:

[(1, 20322676), (2, 10161338), (4, 5080669), (11, 1847516), (22, 923758), (44, 461879), (121, 167956), (199, 102124), (211, 96316), (242, 83978), (398, 51062), (422, 48158), (484, 41989), (796, 25531), (844, 24079), (2189, 9284), (2321, 8756), (4378, 4642)]