20802432

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 43824768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 84, 96, 109, 112, 128, 142, 168, 192, 213, 218, 224, 284, 327, 336, 384, 426, 436, 448, 497, 568, 654, 672, 763, 852, 872, 896, 994, 1136, 1308, 1344, 1491, 1526, 1704, 1744, 1988, 2272, 2289, 2616, 2688, 2982, 3052, 3408, 3488, 3976, 4544, 4578, 5232, 5964, 6104, 6816, 6976, 7739, 7952, 9088, 9156, 10464, 11928, 12208, 13632, 13952, 15478, 15904, 18312, 20928, 23217, 23856, 24416, 27264, 30956, 31808, 36624, 41856, 46434, 47712, 48832, 54173, 61912, 63616, 73248, 92868, 95424, 97664, 108346, 123824, 146496, 162519, 185736, 190848, 216692, 247648, 292992, 325038, 371472, 433384, 495296, 650076, 742944, 866768, 990592, 1300152, 1485888, 1733536, 2600304, 2971776, 3467072, 5200608, 6934144, 10401216, 20802432]

約数ペア:

[(1, 20802432), (2, 10401216), (3, 6934144), (4, 5200608), (6, 3467072), (7, 2971776), (8, 2600304), (12, 1733536), (14, 1485888), (16, 1300152), (21, 990592), (24, 866768), (28, 742944), (32, 650076), (42, 495296), (48, 433384), (56, 371472), (64, 325038), (71, 292992), (84, 247648), (96, 216692), (109, 190848), (112, 185736), (128, 162519), (142, 146496), (168, 123824), (192, 108346), (213, 97664), (218, 95424), (224, 92868), (284, 73248), (327, 63616), (336, 61912), (384, 54173), (426, 48832), (436, 47712), (448, 46434), (497, 41856), (568, 36624), (654, 31808), (672, 30956), (763, 27264), (852, 24416), (872, 23856), (896, 23217), (994, 20928), (1136, 18312), (1308, 15904), (1344, 15478), (1491, 13952), (1526, 13632), (1704, 12208), (1744, 11928), (1988, 10464), (2272, 9156), (2289, 9088), (2616, 7952), (2688, 7739), (2982, 6976), (3052, 6816), (3408, 6104), (3488, 5964), (3976, 5232), (4544, 4578)]