20372128

素因数分解:

$2^5\times 7^1\times {\mathrm{90947}}^1$

素因数の和:90964

約数の個数: 24

約数和(自身を含む): 45837792

約数和(自身を除く): 25465664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90947, 181894, 363788, 636629, 727576, 1273258, 1455152, 2546516, 2910304, 5093032, 10186064, 20372128]

約数ペア:

[(1, 20372128), (2, 10186064), (4, 5093032), (7, 2910304), (8, 2546516), (14, 1455152), (16, 1273258), (28, 727576), (32, 636629), (56, 363788), (112, 181894), (224, 90947)]