20681472

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3847}}^1$

素因数の和:3873

約数の個数: 72

約数和(自身を含む): 62922496

約数和(自身を除く): 42241024

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, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 3847, 5376, 7694, 11541, 15388, 23082, 26929, 30776, 46164, 53858, 61552, 80787, 92328, 107716, 123104, 161574, 184656, 215432, 246208, 323148, 369312, 430864, 492416, 646296, 738624, 861728, 984832, 1292592, 1477248, 1723456, 2585184, 2954496, 3446912, 5170368, 6893824, 10340736, 20681472]

約数ペア:

[(1, 20681472), (2, 10340736), (3, 6893824), (4, 5170368), (6, 3446912), (7, 2954496), (8, 2585184), (12, 1723456), (14, 1477248), (16, 1292592), (21, 984832), (24, 861728), (28, 738624), (32, 646296), (42, 492416), (48, 430864), (56, 369312), (64, 323148), (84, 246208), (96, 215432), (112, 184656), (128, 161574), (168, 123104), (192, 107716), (224, 92328), (256, 80787), (336, 61552), (384, 53858), (448, 46164), (672, 30776), (768, 26929), (896, 23082), (1344, 15388), (1792, 11541), (2688, 7694), (3847, 5376)]