20421157041

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2279

約数の個数: 96

約数和(自身を含む): 33619622400

約数和(自身を除く): 13198465359

約数列:

[1, 3, 9, 19, 29, 41, 47, 57, 87, 123, 141, 171, 261, 369, 423, 551, 779, 893, 1189, 1363, 1653, 1927, 2137, 2337, 2679, 3567, 4089, 4959, 5781, 6411, 7011, 8037, 10701, 12267, 17343, 19233, 22591, 25897, 36613, 40603, 55883, 61973, 67773, 77691, 87617, 100439, 109839, 121809, 167649, 185919, 203319, 233073, 262851, 301317, 329517, 365427, 502947, 557757, 788553, 903951, 1061777, 1177487, 1664723, 1908341, 2540893, 2912731, 3185331, 3532461, 4117999, 4994169, 5725023, 7622679, 8738193, 9555993, 10597383, 12353997, 14982507, 17175069, 22868037, 26214579, 37061991, 48276967, 55341889, 78241981, 119421971, 144830901, 166025667, 234725943, 358265913, 434492703, 498077001, 704177829, 1074797739, 2269017449, 6807052347, 20421157041]

約数ペア:

[(1, 20421157041), (3, 6807052347), (9, 2269017449), (19, 1074797739), (29, 704177829), (41, 498077001), (47, 434492703), (57, 358265913), (87, 234725943), (123, 166025667), (141, 144830901), (171, 119421971), (261, 78241981), (369, 55341889), (423, 48276967), (551, 37061991), (779, 26214579), (893, 22868037), (1189, 17175069), (1363, 14982507), (1653, 12353997), (1927, 10597383), (2137, 9555993), (2337, 8738193), (2679, 7622679), (3567, 5725023), (4089, 4994169), (4959, 4117999), (5781, 3532461), (6411, 3185331), (7011, 2912731), (8037, 2540893), (10701, 1908341), (12267, 1664723), (17343, 1177487), (19233, 1061777), (22591, 903951), (25897, 788553), (36613, 557757), (40603, 502947), (55883, 365427), (61973, 329517), (67773, 301317), (77691, 262851), (87617, 233073), (100439, 203319), (109839, 185919), (121809, 167649)]