20002345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19141}}^1$

素因数の和:19176

約数の個数: 16

約数和(自身を含む): 27564480

約数和(自身を除く): 7562135

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19141, 95705, 210551, 363679, 1052755, 1818395, 4000469, 20002345]

約数ペア:

[(1, 20002345), (5, 4000469), (11, 1818395), (19, 1052755), (55, 363679), (95, 210551), (209, 95705), (1045, 19141)]