20180833428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1728403}}^1$

素因数の和:1728556

約数の個数: 48

約数和(自身を含む): 54202749440

約数和(自身を除く): 34021916012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2919, 3892, 5838, 11676, 1728403, 3456806, 5185209, 6913612, 10370418, 12098821, 20740836, 24197642, 36296463, 48395284, 72592926, 145185852, 240248017, 480496034, 720744051, 960992068, 1441488102, 1681736119, 2882976204, 3363472238, 5045208357, 6726944476, 10090416714, 20180833428]

約数ペア:

[(1, 20180833428), (2, 10090416714), (3, 6726944476), (4, 5045208357), (6, 3363472238), (7, 2882976204), (12, 1681736119), (14, 1441488102), (21, 960992068), (28, 720744051), (42, 480496034), (84, 240248017), (139, 145185852), (278, 72592926), (417, 48395284), (556, 36296463), (834, 24197642), (973, 20740836), (1668, 12098821), (1946, 10370418), (2919, 6913612), (3892, 5185209), (5838, 3456806), (11676, 1728403)]