9727291220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2181007}}^1$

素因数の和:2181239

約数の個数: 24

約数和(自身を含む): 20518923264

約数和(自身を除く): 10791632044

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 2181007, 4362014, 8724028, 10905035, 21810070, 43620140, 486364561, 972729122, 1945458244, 2431822805, 4863645610, 9727291220]

約数ペア:

[(1, 9727291220), (2, 4863645610), (4, 2431822805), (5, 1945458244), (10, 972729122), (20, 486364561), (223, 43620140), (446, 21810070), (892, 10905035), (1115, 8724028), (2230, 4362014), (4460, 2181007)]