20182220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3643}}^1$

素因数の和:3929

約数の個数: 24

約数和(自身を含む): 42547344

約数和(自身を除く): 22365124

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3643, 5540, 7286, 14572, 18215, 36430, 72860, 1009111, 2018222, 4036444, 5045555, 10091110, 20182220]

約数ペア:

[(1, 20182220), (2, 10091110), (4, 5045555), (5, 4036444), (10, 2018222), (20, 1009111), (277, 72860), (554, 36430), (1108, 18215), (1385, 14572), (2770, 7286), (3643, 5540)]