20001579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11927}}^1$

素因数の和:11986

約数の個数: 16

約数和(自身を含む): 29390592

約数和(自身を除く): 9389013

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11927, 35781, 155051, 465153, 512861, 1538583, 6667193, 20001579]

約数ペア:

[(1, 20001579), (3, 6667193), (13, 1538583), (39, 512861), (43, 465153), (129, 155051), (559, 35781), (1677, 11927)]