20900336128

素因数分解:

$2^9\times 7^2\times {\mathrm{547}}^1\times {\mathrm{1523}}^1$

素因数の和:2102

約数の個数: 120

約数和(自身を含む): 48698548272

約数和(自身を除く): 27798212144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 547, 784, 896, 1094, 1523, 1568, 1792, 2188, 3046, 3136, 3584, 3829, 4376, 6092, 6272, 7658, 8752, 10661, 12184, 12544, 15316, 17504, 21322, 24368, 25088, 26803, 30632, 35008, 42644, 48736, 53606, 61264, 70016, 74627, 85288, 97472, 107212, 122528, 140032, 149254, 170576, 194944, 214424, 245056, 280064, 298508, 341152, 389888, 428848, 490112, 597016, 682304, 779776, 833081, 857696, 980224, 1194032, 1364608, 1666162, 1715392, 1960448, 2388064, 2729216, 3332324, 3430784, 4776128, 5458432, 5831567, 6664648, 6861568, 9552256, 11663134, 13329296, 13723136, 19104512, 23326268, 26658592, 38209024, 40820969, 46652536, 53317184, 81641938, 93305072, 106634368, 163283876, 186610144, 213268736, 326567752, 373220288, 426537472, 653135504, 746440576, 1306271008, 1492881152, 2612542016, 2985762304, 5225084032, 10450168064, 20900336128]

約数ペア:

[(1, 20900336128), (2, 10450168064), (4, 5225084032), (7, 2985762304), (8, 2612542016), (14, 1492881152), (16, 1306271008), (28, 746440576), (32, 653135504), (49, 426537472), (56, 373220288), (64, 326567752), (98, 213268736), (112, 186610144), (128, 163283876), (196, 106634368), (224, 93305072), (256, 81641938), (392, 53317184), (448, 46652536), (512, 40820969), (547, 38209024), (784, 26658592), (896, 23326268), (1094, 19104512), (1523, 13723136), (1568, 13329296), (1792, 11663134), (2188, 9552256), (3046, 6861568), (3136, 6664648), (3584, 5831567), (3829, 5458432), (4376, 4776128), (6092, 3430784), (6272, 3332324), (7658, 2729216), (8752, 2388064), (10661, 1960448), (12184, 1715392), (12544, 1666162), (15316, 1364608), (17504, 1194032), (21322, 980224), (24368, 857696), (25088, 833081), (26803, 779776), (30632, 682304), (35008, 597016), (42644, 490112), (48736, 428848), (53606, 389888), (61264, 341152), (70016, 298508), (74627, 280064), (85288, 245056), (97472, 214424), (107212, 194944), (122528, 170576), (140032, 149254)]