20946128

素因数分解:

$2^4\times 7^2\times {\mathrm{26717}}^1$

素因数の和:26739

約数の個数: 30

約数和(自身を含む): 47210706

約数和(自身を除く): 26264578

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26717, 53434, 106868, 187019, 213736, 374038, 427472, 748076, 1309133, 1496152, 2618266, 2992304, 5236532, 10473064, 20946128]

約数ペア:

[(1, 20946128), (2, 10473064), (4, 5236532), (7, 2992304), (8, 2618266), (14, 1496152), (16, 1309133), (28, 748076), (49, 427472), (56, 374038), (98, 213736), (112, 187019), (196, 106868), (392, 53434), (784, 26717)]