20557824

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 104

約数和(自身を含む): 62906880

約数和(自身を除く): 42349056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 239, 256, 336, 384, 448, 478, 512, 672, 717, 768, 896, 956, 1024, 1344, 1434, 1536, 1673, 1792, 1912, 2048, 2688, 2868, 3072, 3346, 3584, 3824, 4096, 5019, 5376, 5736, 6144, 6692, 7168, 7648, 10038, 10752, 11472, 12288, 13384, 14336, 15296, 20076, 21504, 22944, 26768, 28672, 30592, 40152, 43008, 45888, 53536, 61184, 80304, 86016, 91776, 107072, 122368, 160608, 183552, 214144, 244736, 321216, 367104, 428288, 489472, 642432, 734208, 856576, 978944, 1284864, 1468416, 1713152, 2569728, 2936832, 3426304, 5139456, 6852608, 10278912, 20557824]

約数ペア:

[(1, 20557824), (2, 10278912), (3, 6852608), (4, 5139456), (6, 3426304), (7, 2936832), (8, 2569728), (12, 1713152), (14, 1468416), (16, 1284864), (21, 978944), (24, 856576), (28, 734208), (32, 642432), (42, 489472), (48, 428288), (56, 367104), (64, 321216), (84, 244736), (96, 214144), (112, 183552), (128, 160608), (168, 122368), (192, 107072), (224, 91776), (239, 86016), (256, 80304), (336, 61184), (384, 53536), (448, 45888), (478, 43008), (512, 40152), (672, 30592), (717, 28672), (768, 26768), (896, 22944), (956, 21504), (1024, 20076), (1344, 15296), (1434, 14336), (1536, 13384), (1673, 12288), (1792, 11472), (1912, 10752), (2048, 10038), (2688, 7648), (2868, 7168), (3072, 6692), (3346, 6144), (3584, 5736), (3824, 5376), (4096, 5019)]