20199918

素因数分解:

$2^1\times 3^1\times {\mathrm{1571}}^1\times {\mathrm{2143}}^1$

素因数の和:3719

約数の個数: 16

約数和(自身を含む): 40444416

約数和(自身を除く): 20244498

約数列:

[1, 2, 3, 6, 1571, 2143, 3142, 4286, 4713, 6429, 9426, 12858, 3366653, 6733306, 10099959, 20199918]

約数ペア:

[(1, 20199918), (2, 10099959), (3, 6733306), (6, 3366653), (1571, 12858), (2143, 9426), (3142, 6429), (4286, 4713)]