20199231339

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 32818867200

約数和(自身を除く): 12619635861

約数列:

[1, 3, 7, 21, 41, 49, 83, 123, 147, 149, 249, 271, 287, 447, 581, 813, 861, 1043, 1743, 1897, 2009, 3129, 3403, 4067, 5691, 6027, 6109, 7301, 10209, 11111, 12201, 12367, 13279, 18327, 21903, 22493, 23821, 33333, 37101, 39837, 40379, 42763, 67479, 71463, 77777, 86569, 121137, 128289, 157451, 166747, 233331, 259707, 282653, 299341, 472353, 500241, 507047, 544439, 605983, 847959, 898023, 922213, 1102157, 1521141, 1633317, 1655539, 1817949, 1978571, 2766639, 3306471, 3351457, 3549329, 4966617, 5935713, 6455491, 10054371, 10647987, 11588773, 19366473, 23460199, 24845303, 34766319, 45188437, 70380597, 74535909, 81121411, 135565311, 137409737, 164221393, 243364233, 412229211, 492664179, 961868159, 2885604477, 6733077113, 20199231339]

約数ペア:

[(1, 20199231339), (3, 6733077113), (7, 2885604477), (21, 961868159), (41, 492664179), (49, 412229211), (83, 243364233), (123, 164221393), (147, 137409737), (149, 135565311), (249, 81121411), (271, 74535909), (287, 70380597), (447, 45188437), (581, 34766319), (813, 24845303), (861, 23460199), (1043, 19366473), (1743, 11588773), (1897, 10647987), (2009, 10054371), (3129, 6455491), (3403, 5935713), (4067, 4966617), (5691, 3549329), (6027, 3351457), (6109, 3306471), (7301, 2766639), (10209, 1978571), (11111, 1817949), (12201, 1655539), (12367, 1633317), (13279, 1521141), (18327, 1102157), (21903, 922213), (22493, 898023), (23821, 847959), (33333, 605983), (37101, 544439), (39837, 507047), (40379, 500241), (42763, 472353), (67479, 299341), (71463, 282653), (77777, 259707), (86569, 233331), (121137, 166747), (128289, 157451)]