20824384

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 112

約数和(自身を含む): 51499008

約数和(自身を除く): 30674624

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 43, 46, 47, 56, 64, 86, 92, 94, 112, 161, 172, 184, 188, 224, 301, 322, 329, 344, 368, 376, 448, 602, 644, 658, 688, 736, 752, 989, 1081, 1204, 1288, 1316, 1376, 1472, 1504, 1978, 2021, 2162, 2408, 2576, 2632, 2752, 3008, 3956, 4042, 4324, 4816, 5152, 5264, 6923, 7567, 7912, 8084, 8648, 9632, 10304, 10528, 13846, 14147, 15134, 15824, 16168, 17296, 19264, 21056, 27692, 28294, 30268, 31648, 32336, 34592, 46483, 55384, 56588, 60536, 63296, 64672, 69184, 92966, 110768, 113176, 121072, 129344, 185932, 221536, 226352, 242144, 325381, 371864, 443072, 452704, 484288, 650762, 743728, 905408, 1301524, 1487456, 2603048, 2974912, 5206096, 10412192, 20824384]

約数ペア:

[(1, 20824384), (2, 10412192), (4, 5206096), (7, 2974912), (8, 2603048), (14, 1487456), (16, 1301524), (23, 905408), (28, 743728), (32, 650762), (43, 484288), (46, 452704), (47, 443072), (56, 371864), (64, 325381), (86, 242144), (92, 226352), (94, 221536), (112, 185932), (161, 129344), (172, 121072), (184, 113176), (188, 110768), (224, 92966), (301, 69184), (322, 64672), (329, 63296), (344, 60536), (368, 56588), (376, 55384), (448, 46483), (602, 34592), (644, 32336), (658, 31648), (688, 30268), (736, 28294), (752, 27692), (989, 21056), (1081, 19264), (1204, 17296), (1288, 16168), (1316, 15824), (1376, 15134), (1472, 14147), (1504, 13846), (1978, 10528), (2021, 10304), (2162, 9632), (2408, 8648), (2576, 8084), (2632, 7912), (2752, 7567), (3008, 6923), (3956, 5264), (4042, 5152), (4324, 4816)]