20120779701

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{80747}}^1$

素因数の和:81606

約数の個数: 32

約数和(自身を含む): 32557593600

約数和(自身を除く): 12436813899

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 839, 2517, 7551, 9229, 22653, 27687, 80747, 83061, 242241, 249183, 726723, 888217, 2180169, 2664651, 7993953, 23981859, 67746733, 203240199, 609720597, 745214063, 1829161791, 2235642189, 6706926567, 20120779701]

約数ペア:

[(1, 20120779701), (3, 6706926567), (9, 2235642189), (11, 1829161791), (27, 745214063), (33, 609720597), (99, 203240199), (297, 67746733), (839, 23981859), (2517, 7993953), (7551, 2664651), (9229, 2180169), (22653, 888217), (27687, 726723), (80747, 249183), (83061, 242241)]