20802406842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{280303}}^1$

素因数の和:280368

約数の個数: 96

約数和(自身を含む): 55971102720

約数和(自身を除く): 35168695878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 57, 62, 63, 93, 114, 126, 133, 171, 186, 217, 266, 279, 342, 399, 434, 558, 589, 651, 798, 1178, 1197, 1302, 1767, 1953, 2394, 3534, 3906, 4123, 5301, 8246, 10602, 12369, 24738, 37107, 74214, 280303, 560606, 840909, 1681818, 1962121, 2522727, 3924242, 5045454, 5325757, 5886363, 8689393, 10651514, 11772726, 15977271, 17378786, 17659089, 26068179, 31954542, 35318178, 37280299, 47931813, 52136358, 60825751, 74560598, 78204537, 95863626, 111840897, 121651502, 156409074, 165098467, 182477253, 223681794, 330196934, 335522691, 364954506, 495295401, 547431759, 671045382, 990590802, 1094863518, 1155689269, 1485886203, 2311378538, 2971772406, 3467067807, 6934135614, 10401203421, 20802406842]

約数ペア:

[(1, 20802406842), (2, 10401203421), (3, 6934135614), (6, 3467067807), (7, 2971772406), (9, 2311378538), (14, 1485886203), (18, 1155689269), (19, 1094863518), (21, 990590802), (31, 671045382), (38, 547431759), (42, 495295401), (57, 364954506), (62, 335522691), (63, 330196934), (93, 223681794), (114, 182477253), (126, 165098467), (133, 156409074), (171, 121651502), (186, 111840897), (217, 95863626), (266, 78204537), (279, 74560598), (342, 60825751), (399, 52136358), (434, 47931813), (558, 37280299), (589, 35318178), (651, 31954542), (798, 26068179), (1178, 17659089), (1197, 17378786), (1302, 15977271), (1767, 11772726), (1953, 10651514), (2394, 8689393), (3534, 5886363), (3906, 5325757), (4123, 5045454), (5301, 3924242), (8246, 2522727), (10602, 1962121), (12369, 1681818), (24738, 840909), (37107, 560606), (74214, 280303)]