20759517

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 11122083

約数列:

[1, 3, 9, 27, 53, 89, 159, 163, 267, 477, 489, 801, 1431, 1467, 2403, 4401, 4717, 8639, 14151, 14507, 25917, 42453, 43521, 77751, 127359, 130563, 233253, 391689, 768871, 2306613, 6919839, 20759517]

約数ペア:

[(1, 20759517), (3, 6919839), (9, 2306613), (27, 768871), (53, 391689), (89, 233253), (159, 130563), (163, 127359), (267, 77751), (477, 43521), (489, 42453), (801, 25917), (1431, 14507), (1467, 14151), (2403, 8639), (4401, 4717)]