20003385

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31013}}^1$

素因数の和:31064

約数の個数: 16

約数和(自身を含む): 32750784

約数和(自身を除く): 12747399

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31013, 93039, 155065, 465195, 1333559, 4000677, 6667795, 20003385]

約数ペア:

[(1, 20003385), (3, 6667795), (5, 4000677), (15, 1333559), (43, 465195), (129, 155065), (215, 93039), (645, 31013)]