20411180

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1381}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 42952560

約数和(自身を除く): 22541380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1381, 1478, 2762, 2956, 3695, 5524, 6905, 7390, 13810, 14780, 27620, 1020559, 2041118, 4082236, 5102795, 10205590, 20411180]

約数ペア:

[(1, 20411180), (2, 10205590), (4, 5102795), (5, 4082236), (10, 2041118), (20, 1020559), (739, 27620), (1381, 14780), (1478, 13810), (2762, 7390), (2956, 6905), (3695, 5524)]