2019610660

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{205663}}^1$

素因数の和:206163

約数の個数: 24

約数和(自身を含む): 4249840896

約数和(自身を除く): 2230230236

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 205663, 411326, 822652, 1028315, 2056630, 4113260, 100980533, 201961066, 403922132, 504902665, 1009805330, 2019610660]

約数ペア:

[(1, 2019610660), (2, 1009805330), (4, 504902665), (5, 403922132), (10, 201961066), (20, 100980533), (491, 4113260), (982, 2056630), (1964, 1028315), (2455, 822652), (4910, 411326), (9820, 205663)]