20192067

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 35276800

約数和(自身を除く): 15084733

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 211, 217, 279, 343, 441, 633, 651, 1029, 1477, 1519, 1899, 1953, 3087, 4431, 4557, 6541, 10339, 10633, 13293, 13671, 19623, 31017, 31899, 45787, 58869, 72373, 93051, 95697, 137361, 217119, 320509, 412083, 651357, 961527, 2243563, 2884581, 6730689, 20192067]

約数ペア:

[(1, 20192067), (3, 6730689), (7, 2884581), (9, 2243563), (21, 961527), (31, 651357), (49, 412083), (63, 320509), (93, 217119), (147, 137361), (211, 95697), (217, 93051), (279, 72373), (343, 58869), (441, 45787), (633, 31899), (651, 31017), (1029, 19623), (1477, 13671), (1519, 13293), (1899, 10633), (1953, 10339), (3087, 6541), (4431, 4557)]