20194382943

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:746

約数の個数: 128

約数和(自身を含む): 37042790400

約数和(自身を除く): 16848407457

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 119, 153, 177, 189, 307, 347, 357, 413, 459, 531, 921, 1003, 1041, 1071, 1239, 1593, 2149, 2429, 2763, 3009, 3123, 3213, 3717, 5219, 5899, 6447, 7021, 7287, 8289, 9027, 9369, 11151, 15657, 17697, 18113, 19341, 20473, 21063, 21861, 27081, 36533, 41293, 46971, 53091, 54339, 58023, 61419, 63189, 65583, 106529, 109599, 123879, 126791, 140913, 143311, 159273, 163017, 184257, 189567, 307921, 319587, 328797, 348041, 371637, 380373, 429933, 489051, 552771, 745703, 923763, 958761, 986391, 1044123, 1114911, 1141119, 1289799, 1810993, 2155447, 2237109, 2436287, 2771289, 2876283, 3132369, 3423357, 3869397, 5432979, 6285211, 6466341, 6711327, 7308861, 8313867, 9397107, 12676951, 16298937, 18855633, 19399023, 20133981, 21926583, 38030853, 43996477, 48896811, 56566899, 58197069, 65779749, 106848587, 114092559, 131989431, 169700697, 320545761, 342277677, 395968293, 747940109, 961637283, 1187904879, 2243820327, 2884911849, 6731460981, 20194382943]

約数ペア:

[(1, 20194382943), (3, 6731460981), (7, 2884911849), (9, 2243820327), (17, 1187904879), (21, 961637283), (27, 747940109), (51, 395968293), (59, 342277677), (63, 320545761), (119, 169700697), (153, 131989431), (177, 114092559), (189, 106848587), (307, 65779749), (347, 58197069), (357, 56566899), (413, 48896811), (459, 43996477), (531, 38030853), (921, 21926583), (1003, 20133981), (1041, 19399023), (1071, 18855633), (1239, 16298937), (1593, 12676951), (2149, 9397107), (2429, 8313867), (2763, 7308861), (3009, 6711327), (3123, 6466341), (3213, 6285211), (3717, 5432979), (5219, 3869397), (5899, 3423357), (6447, 3132369), (7021, 2876283), (7287, 2771289), (8289, 2436287), (9027, 2237109), (9369, 2155447), (11151, 1810993), (15657, 1289799), (17697, 1141119), (18113, 1114911), (19341, 1044123), (20473, 986391), (21063, 958761), (21861, 923763), (27081, 745703), (36533, 552771), (41293, 489051), (46971, 429933), (53091, 380373), (54339, 371637), (58023, 348041), (61419, 328797), (63189, 319587), (65583, 307921), (106529, 189567), (109599, 184257), (123879, 163017), (126791, 159273), (140913, 143311)]