20196996813

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1287499}}^1$

素因数の和:1287598

約数の個数: 32

約数和(自身を含む): 34608000000

約数和(自身を除く): 14411003187

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 5229, 15687, 1287499, 3862497, 9012493, 11587491, 27037479, 34762473, 81112437, 106862417, 243337311, 320587251, 748036919, 961761753, 2244110757, 2885285259, 6732332271, 20196996813]

約数ペア:

[(1, 20196996813), (3, 6732332271), (7, 2885285259), (9, 2244110757), (21, 961761753), (27, 748036919), (63, 320587251), (83, 243337311), (189, 106862417), (249, 81112437), (581, 34762473), (747, 27037479), (1743, 11587491), (2241, 9012493), (5229, 3862497), (15687, 1287499)]