20865376

素因数分解:

$2^5\times 7^3\times {\mathrm{1901}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 47930400

約数和(自身を除く): 27065024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1901, 2744, 3802, 5488, 7604, 10976, 13307, 15208, 26614, 30416, 53228, 60832, 93149, 106456, 186298, 212912, 372596, 425824, 652043, 745192, 1304086, 1490384, 2608172, 2980768, 5216344, 10432688, 20865376]

約数ペア:

[(1, 20865376), (2, 10432688), (4, 5216344), (7, 2980768), (8, 2608172), (14, 1490384), (16, 1304086), (28, 745192), (32, 652043), (49, 425824), (56, 372596), (98, 212912), (112, 186298), (196, 106456), (224, 93149), (343, 60832), (392, 53228), (686, 30416), (784, 26614), (1372, 15208), (1568, 13307), (1901, 10976), (2744, 7604), (3802, 5488)]