20507648

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2888

約数の個数: 44

約数和(自身を含む): 46868112

約数和(自身を除く): 26360464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2861, 3584, 5722, 7168, 11444, 20027, 22888, 40054, 45776, 80108, 91552, 160216, 183104, 320432, 366208, 640864, 732416, 1281728, 1464832, 2563456, 2929664, 5126912, 10253824, 20507648]

約数ペア:

[(1, 20507648), (2, 10253824), (4, 5126912), (7, 2929664), (8, 2563456), (14, 1464832), (16, 1281728), (28, 732416), (32, 640864), (56, 366208), (64, 320432), (112, 183104), (128, 160216), (224, 91552), (256, 80108), (448, 45776), (512, 40054), (896, 22888), (1024, 20027), (1792, 11444), (2861, 7168), (3584, 5722)]