20593545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20049015

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 83, 85, 105, 119, 139, 249, 255, 357, 415, 417, 581, 595, 695, 973, 1245, 1411, 1743, 1785, 2085, 2363, 2905, 2919, 4233, 4865, 7055, 7089, 8715, 9877, 11537, 11815, 14595, 16541, 21165, 29631, 34611, 35445, 49385, 49623, 57685, 80759, 82705, 148155, 173055, 196129, 242277, 248115, 403795, 588387, 980645, 1211385, 1372903, 2941935, 4118709, 6864515, 20593545]

約数ペア:

[(1, 20593545), (3, 6864515), (5, 4118709), (7, 2941935), (15, 1372903), (17, 1211385), (21, 980645), (35, 588387), (51, 403795), (83, 248115), (85, 242277), (105, 196129), (119, 173055), (139, 148155), (249, 82705), (255, 80759), (357, 57685), (415, 49623), (417, 49385), (581, 35445), (595, 34611), (695, 29631), (973, 21165), (1245, 16541), (1411, 14595), (1743, 11815), (1785, 11537), (2085, 9877), (2363, 8715), (2905, 7089), (2919, 7055), (4233, 4865)]