1966660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 4173120

約数和(自身を除く): 2206460

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 919, 1070, 1838, 2140, 3676, 4595, 9190, 18380, 98333, 196666, 393332, 491665, 983330, 1966660]

約数ペア:

[(1, 1966660), (2, 983330), (4, 491665), (5, 393332), (10, 196666), (20, 98333), (107, 18380), (214, 9190), (428, 4595), (535, 3676), (919, 2140), (1070, 1838)]