20249529209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{278501}}^1$

素因数の和:278585

約数の個数: 32

約数和(自身を含む): 26950081536

約数和(自身を除く): 6700552327

約数列:

[1, 7, 13, 17, 47, 91, 119, 221, 329, 611, 799, 1547, 4277, 5593, 10387, 72709, 278501, 1949507, 3620513, 4734517, 13089547, 25343591, 33141619, 61548721, 91626829, 170164111, 222522299, 430841047, 1191148777, 1557656093, 2892789887, 20249529209]

約数ペア:

[(1, 20249529209), (7, 2892789887), (13, 1557656093), (17, 1191148777), (47, 430841047), (91, 222522299), (119, 170164111), (221, 91626829), (329, 61548721), (611, 33141619), (799, 25343591), (1547, 13089547), (4277, 4734517), (5593, 3620513), (10387, 1949507), (72709, 278501)]