20800670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{719}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20256610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 719, 1315, 1438, 2630, 2893, 3595, 5786, 7190, 7909, 14465, 15818, 28930, 39545, 79090, 189097, 378194, 945485, 1890970, 2080067, 4160134, 10400335, 20800670]

約数ペア:

[(1, 20800670), (2, 10400335), (5, 4160134), (10, 2080067), (11, 1890970), (22, 945485), (55, 378194), (110, 189097), (263, 79090), (526, 39545), (719, 28930), (1315, 15818), (1438, 14465), (2630, 7909), (2893, 7190), (3595, 5786)]