20608367031

素因数分解:

$3^3\times 7^2\times {\mathrm{3533}}^1\times {\mathrm{4409}}^1$

素因数の和:7965

約数の個数: 48

約数和(自身を含む): 35533663200

約数和(自身を除く): 14925296169

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 3533, 4409, 10599, 13227, 24731, 30863, 31797, 39681, 74193, 92589, 95391, 119043, 173117, 216041, 222579, 277767, 519351, 648123, 667737, 833301, 1558053, 1944369, 4674159, 5833107, 15576997, 46730991, 109038979, 140192973, 327116937, 420578919, 763272853, 981350811, 2289818559, 2944052433, 6869455677, 20608367031]

約数ペア:

[(1, 20608367031), (3, 6869455677), (7, 2944052433), (9, 2289818559), (21, 981350811), (27, 763272853), (49, 420578919), (63, 327116937), (147, 140192973), (189, 109038979), (441, 46730991), (1323, 15576997), (3533, 5833107), (4409, 4674159), (10599, 1944369), (13227, 1558053), (24731, 833301), (30863, 667737), (31797, 648123), (39681, 519351), (74193, 277767), (92589, 222579), (95391, 216041), (119043, 173117)]