20778867774

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{457}}^1\times {\mathrm{51551}}^1$

素因数の和:52030

約数の個数: 72

約数和(自身を含む): 52486843968

約数和(自身を除く): 31707976194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 457, 882, 914, 1371, 2742, 3199, 4113, 6398, 8226, 9597, 19194, 22393, 28791, 44786, 51551, 57582, 67179, 103102, 134358, 154653, 201537, 309306, 360857, 403074, 463959, 721714, 927918, 1082571, 2165142, 2525999, 3247713, 5051998, 6495426, 7577997, 15155994, 22733991, 23558807, 45467982, 47117614, 70676421, 141352842, 164911649, 212029263, 329823298, 424058526, 494734947, 989469894, 1154381543, 1484204841, 2308763086, 2968409682, 3463144629, 6926289258, 10389433887, 20778867774]

約数ペア:

[(1, 20778867774), (2, 10389433887), (3, 6926289258), (6, 3463144629), (7, 2968409682), (9, 2308763086), (14, 1484204841), (18, 1154381543), (21, 989469894), (42, 494734947), (49, 424058526), (63, 329823298), (98, 212029263), (126, 164911649), (147, 141352842), (294, 70676421), (441, 47117614), (457, 45467982), (882, 23558807), (914, 22733991), (1371, 15155994), (2742, 7577997), (3199, 6495426), (4113, 5051998), (6398, 3247713), (8226, 2525999), (9597, 2165142), (19194, 1082571), (22393, 927918), (28791, 721714), (44786, 463959), (51551, 403074), (57582, 360857), (67179, 309306), (103102, 201537), (134358, 154653)]