20784384

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 64099840

約数和(自身を除く): 43315456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 97, 108, 124, 128, 144, 186, 192, 194, 216, 248, 256, 279, 288, 291, 372, 384, 388, 432, 496, 558, 576, 582, 744, 768, 776, 837, 864, 873, 992, 1116, 1152, 1164, 1488, 1552, 1674, 1728, 1746, 1984, 2232, 2304, 2328, 2619, 2976, 3007, 3104, 3348, 3456, 3492, 3968, 4464, 4656, 5238, 5952, 6014, 6208, 6696, 6912, 6984, 7936, 8928, 9021, 9312, 10476, 11904, 12028, 12416, 13392, 13968, 17856, 18042, 18624, 20952, 23808, 24056, 24832, 26784, 27063, 27936, 35712, 36084, 37248, 41904, 48112, 53568, 54126, 55872, 71424, 72168, 74496, 81189, 83808, 96224, 107136, 108252, 111744, 144336, 162378, 167616, 192448, 214272, 216504, 223488, 288672, 324756, 335232, 384896, 433008, 577344, 649512, 670464, 769792, 866016, 1154688, 1299024, 1732032, 2309376, 2598048, 3464064, 5196096, 6928128, 10392192, 20784384]

約数ペア:

[(1, 20784384), (2, 10392192), (3, 6928128), (4, 5196096), (6, 3464064), (8, 2598048), (9, 2309376), (12, 1732032), (16, 1299024), (18, 1154688), (24, 866016), (27, 769792), (31, 670464), (32, 649512), (36, 577344), (48, 433008), (54, 384896), (62, 335232), (64, 324756), (72, 288672), (93, 223488), (96, 216504), (97, 214272), (108, 192448), (124, 167616), (128, 162378), (144, 144336), (186, 111744), (192, 108252), (194, 107136), (216, 96224), (248, 83808), (256, 81189), (279, 74496), (288, 72168), (291, 71424), (372, 55872), (384, 54126), (388, 53568), (432, 48112), (496, 41904), (558, 37248), (576, 36084), (582, 35712), (744, 27936), (768, 27063), (776, 26784), (837, 24832), (864, 24056), (873, 23808), (992, 20952), (1116, 18624), (1152, 18042), (1164, 17856), (1488, 13968), (1552, 13392), (1674, 12416), (1728, 12028), (1746, 11904), (1984, 10476), (2232, 9312), (2304, 9021), (2328, 8928), (2619, 7936), (2976, 6984), (3007, 6912), (3104, 6696), (3348, 6208), (3456, 6014), (3492, 5952), (3968, 5238), (4464, 4656)]