20858068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 45859968

約数和(自身を除く): 25001900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 241, 281, 308, 482, 562, 964, 1124, 1687, 1967, 2651, 3091, 3374, 3934, 5302, 6182, 6748, 7868, 10604, 12364, 18557, 21637, 37114, 43274, 67721, 74228, 86548, 135442, 270884, 474047, 744931, 948094, 1489862, 1896188, 2979724, 5214517, 10429034, 20858068]

約数ペア:

[(1, 20858068), (2, 10429034), (4, 5214517), (7, 2979724), (11, 1896188), (14, 1489862), (22, 948094), (28, 744931), (44, 474047), (77, 270884), (154, 135442), (241, 86548), (281, 74228), (308, 67721), (482, 43274), (562, 37114), (964, 21637), (1124, 18557), (1687, 12364), (1967, 10604), (2651, 7868), (3091, 6748), (3374, 6182), (3934, 5302)]