20468268

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2491

約数の個数: 48

約数和(自身を含む): 53760000

約数和(自身を除く): 33291732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2399, 2844, 4266, 4798, 7197, 8532, 9596, 14394, 21591, 28788, 43182, 64773, 86364, 129546, 189521, 259092, 379042, 568563, 758084, 1137126, 1705689, 2274252, 3411378, 5117067, 6822756, 10234134, 20468268]

約数ペア:

[(1, 20468268), (2, 10234134), (3, 6822756), (4, 5117067), (6, 3411378), (9, 2274252), (12, 1705689), (18, 1137126), (27, 758084), (36, 568563), (54, 379042), (79, 259092), (108, 189521), (158, 129546), (237, 86364), (316, 64773), (474, 43182), (711, 28788), (948, 21591), (1422, 14394), (2133, 9596), (2399, 8532), (2844, 7197), (4266, 4798)]