20217943

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 21980160

約数和(自身を除く): 1762217

約数列:

[1, 23, 47, 59, 317, 1081, 1357, 2773, 7291, 14899, 18703, 63779, 342677, 430169, 879041, 20217943]

約数ペア:

[(1, 20217943), (23, 879041), (47, 430169), (59, 342677), (317, 63779), (1081, 18703), (1357, 14899), (2773, 7291)]