28020848

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16067}}^1$

素因数の和:16184

約数の個数: 20

約数和(自身を含む): 54791880

約数和(自身を除く): 26771032

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16067, 32134, 64268, 128536, 257072, 1751303, 3502606, 7005212, 14010424, 28020848]

約数ペア:

[(1, 28020848), (2, 14010424), (4, 7005212), (8, 3502606), (16, 1751303), (109, 257072), (218, 128536), (436, 64268), (872, 32134), (1744, 16067)]