20530312

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22370168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 167, 242, 254, 334, 484, 508, 668, 968, 1016, 1336, 1397, 1837, 2794, 3674, 5588, 7348, 11176, 14696, 15367, 20207, 21209, 30734, 40414, 42418, 61468, 80828, 84836, 122936, 161656, 169672, 233299, 466598, 933196, 1866392, 2566289, 5132578, 10265156, 20530312]

約数ペア:

[(1, 20530312), (2, 10265156), (4, 5132578), (8, 2566289), (11, 1866392), (22, 933196), (44, 466598), (88, 233299), (121, 169672), (127, 161656), (167, 122936), (242, 84836), (254, 80828), (334, 61468), (484, 42418), (508, 40414), (668, 30734), (968, 21209), (1016, 20207), (1336, 15367), (1397, 14696), (1837, 11176), (2794, 7348), (3674, 5588)]