20653868973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107621}}^1$

素因数の和:107765

約数の個数: 32

約数和(自身を含む): 30127272192

約数和(自身を除く): 9473403219

約数列:

[1, 3, 17, 51, 53, 71, 159, 213, 901, 1207, 2703, 3621, 3763, 11289, 63971, 107621, 191913, 322863, 1829557, 5488671, 5703913, 7641091, 17111739, 22923273, 96966521, 129898547, 290899563, 389695641, 404977823, 1214933469, 6884622991, 20653868973]

約数ペア:

[(1, 20653868973), (3, 6884622991), (17, 1214933469), (51, 404977823), (53, 389695641), (71, 290899563), (159, 129898547), (213, 96966521), (901, 22923273), (1207, 17111739), (2703, 7641091), (3621, 5703913), (3763, 5488671), (11289, 1829557), (63971, 322863), (107621, 191913)]