20943104

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 54942720

約数和(自身を除く): 33999616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 31, 32, 52, 56, 58, 62, 64, 91, 104, 112, 116, 124, 128, 182, 203, 208, 217, 224, 232, 248, 256, 364, 377, 403, 406, 416, 434, 448, 464, 496, 728, 754, 806, 812, 832, 868, 896, 899, 928, 992, 1456, 1508, 1612, 1624, 1664, 1736, 1792, 1798, 1856, 1984, 2639, 2821, 2912, 3016, 3224, 3248, 3328, 3472, 3596, 3712, 3968, 5278, 5642, 5824, 6032, 6293, 6448, 6496, 6944, 7192, 7424, 7936, 10556, 11284, 11648, 11687, 12064, 12586, 12896, 12992, 13888, 14384, 21112, 22568, 23296, 23374, 24128, 25172, 25792, 25984, 27776, 28768, 42224, 45136, 46748, 48256, 50344, 51584, 51968, 55552, 57536, 81809, 84448, 90272, 93496, 96512, 100688, 103168, 115072, 163618, 168896, 180544, 186992, 201376, 230144, 327236, 337792, 361088, 373984, 402752, 654472, 675584, 722176, 747968, 805504, 1308944, 1495936, 1611008, 2617888, 2991872, 5235776, 10471552, 20943104]

約数ペア:

[(1, 20943104), (2, 10471552), (4, 5235776), (7, 2991872), (8, 2617888), (13, 1611008), (14, 1495936), (16, 1308944), (26, 805504), (28, 747968), (29, 722176), (31, 675584), (32, 654472), (52, 402752), (56, 373984), (58, 361088), (62, 337792), (64, 327236), (91, 230144), (104, 201376), (112, 186992), (116, 180544), (124, 168896), (128, 163618), (182, 115072), (203, 103168), (208, 100688), (217, 96512), (224, 93496), (232, 90272), (248, 84448), (256, 81809), (364, 57536), (377, 55552), (403, 51968), (406, 51584), (416, 50344), (434, 48256), (448, 46748), (464, 45136), (496, 42224), (728, 28768), (754, 27776), (806, 25984), (812, 25792), (832, 25172), (868, 24128), (896, 23374), (899, 23296), (928, 22568), (992, 21112), (1456, 14384), (1508, 13888), (1612, 12992), (1624, 12896), (1664, 12586), (1736, 12064), (1792, 11687), (1798, 11648), (1856, 11284), (1984, 10556), (2639, 7936), (2821, 7424), (2912, 7192), (3016, 6944), (3224, 6496), (3248, 6448), (3328, 6293), (3472, 6032), (3596, 5824), (3712, 5642), (3968, 5278)]