20147456

素因数分解:

$2^8\times 7^1\times {\mathrm{11243}}^1$

素因数の和:11266

約数の個数: 36

約数和(自身を含む): 45965472

約数和(自身を除く): 25818016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11243, 22486, 44972, 78701, 89944, 157402, 179888, 314804, 359776, 629608, 719552, 1259216, 1439104, 2518432, 2878208, 5036864, 10073728, 20147456]

約数ペア:

[(1, 20147456), (2, 10073728), (4, 5036864), (7, 2878208), (8, 2518432), (14, 1439104), (16, 1259216), (28, 719552), (32, 629608), (56, 359776), (64, 314804), (112, 179888), (128, 157402), (224, 89944), (256, 78701), (448, 44972), (896, 22486), (1792, 11243)]