20181230412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{42157}}^1$

素因数の和:42351

約数の個数: 96

約数和(自身を含む): 55527144960

約数和(自身を除く): 35345914548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 139, 164, 246, 278, 287, 417, 492, 556, 574, 834, 861, 973, 1148, 1668, 1722, 1946, 2919, 3444, 3892, 5699, 5838, 11398, 11676, 17097, 22796, 34194, 39893, 42157, 68388, 79786, 84314, 119679, 126471, 159572, 168628, 239358, 252942, 295099, 478716, 505884, 590198, 885297, 1180396, 1728437, 1770594, 3456874, 3541188, 5185311, 5859823, 6913748, 10370622, 11719646, 12099059, 17579469, 20741244, 23439292, 24198118, 35158938, 36297177, 41018761, 48396236, 70317876, 72594354, 82037522, 123056283, 145188708, 164075044, 240252743, 246112566, 480505486, 492225132, 720758229, 961010972, 1441516458, 1681769201, 2883032916, 3363538402, 5045307603, 6727076804, 10090615206, 20181230412]

約数ペア:

[(1, 20181230412), (2, 10090615206), (3, 6727076804), (4, 5045307603), (6, 3363538402), (7, 2883032916), (12, 1681769201), (14, 1441516458), (21, 961010972), (28, 720758229), (41, 492225132), (42, 480505486), (82, 246112566), (84, 240252743), (123, 164075044), (139, 145188708), (164, 123056283), (246, 82037522), (278, 72594354), (287, 70317876), (417, 48396236), (492, 41018761), (556, 36297177), (574, 35158938), (834, 24198118), (861, 23439292), (973, 20741244), (1148, 17579469), (1668, 12099059), (1722, 11719646), (1946, 10370622), (2919, 6913748), (3444, 5859823), (3892, 5185311), (5699, 3541188), (5838, 3456874), (11398, 1770594), (11676, 1728437), (17097, 1180396), (22796, 885297), (34194, 590198), (39893, 505884), (42157, 478716), (68388, 295099), (79786, 252942), (84314, 239358), (119679, 168628), (126471, 159572)]