20454112

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 25994528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 719, 889, 1016, 1438, 1778, 2032, 2876, 3556, 4064, 5033, 5752, 7112, 10066, 11504, 14224, 20132, 23008, 28448, 40264, 80528, 91313, 161056, 182626, 365252, 639191, 730504, 1278382, 1461008, 2556764, 2922016, 5113528, 10227056, 20454112]

約数ペア:

[(1, 20454112), (2, 10227056), (4, 5113528), (7, 2922016), (8, 2556764), (14, 1461008), (16, 1278382), (28, 730504), (32, 639191), (56, 365252), (112, 182626), (127, 161056), (224, 91313), (254, 80528), (508, 40264), (719, 28448), (889, 23008), (1016, 20132), (1438, 14224), (1778, 11504), (2032, 10066), (2876, 7112), (3556, 5752), (4064, 5033)]