20149481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23294400

約数和(自身を除く): 3144919

約数列:

[1, 11, 19, 209, 229, 421, 2519, 4351, 4631, 7999, 47861, 87989, 96409, 1060499, 1831771, 20149481]

約数ペア:

[(1, 20149481), (11, 1831771), (19, 1060499), (209, 96409), (229, 87989), (421, 47861), (2519, 7999), (4351, 4631)]