20884416

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 64861440

約数和(自身を除く): 43977024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 164, 168, 192, 224, 246, 287, 328, 336, 379, 448, 492, 574, 656, 672, 758, 861, 984, 1137, 1148, 1312, 1344, 1516, 1722, 1968, 2274, 2296, 2624, 2653, 3032, 3444, 3936, 4548, 4592, 5306, 6064, 6888, 7872, 7959, 9096, 9184, 10612, 12128, 13776, 15539, 15918, 18192, 18368, 21224, 24256, 27552, 31078, 31836, 36384, 42448, 46617, 55104, 62156, 63672, 72768, 84896, 93234, 108773, 124312, 127344, 169792, 186468, 217546, 248624, 254688, 326319, 372936, 435092, 497248, 509376, 652638, 745872, 870184, 994496, 1305276, 1491744, 1740368, 2610552, 2983488, 3480736, 5221104, 6961472, 10442208, 20884416]

約数ペア:

[(1, 20884416), (2, 10442208), (3, 6961472), (4, 5221104), (6, 3480736), (7, 2983488), (8, 2610552), (12, 1740368), (14, 1491744), (16, 1305276), (21, 994496), (24, 870184), (28, 745872), (32, 652638), (41, 509376), (42, 497248), (48, 435092), (56, 372936), (64, 326319), (82, 254688), (84, 248624), (96, 217546), (112, 186468), (123, 169792), (164, 127344), (168, 124312), (192, 108773), (224, 93234), (246, 84896), (287, 72768), (328, 63672), (336, 62156), (379, 55104), (448, 46617), (492, 42448), (574, 36384), (656, 31836), (672, 31078), (758, 27552), (861, 24256), (984, 21224), (1137, 18368), (1148, 18192), (1312, 15918), (1344, 15539), (1516, 13776), (1722, 12128), (1968, 10612), (2274, 9184), (2296, 9096), (2624, 7959), (2653, 7872), (3032, 6888), (3444, 6064), (3936, 5306), (4548, 4592)]