20289368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{230561}}^1$

素因数の和:230578

約数の個数: 16

約数和(自身を含む): 41501160

約数和(自身を除く): 21211792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 230561, 461122, 922244, 1844488, 2536171, 5072342, 10144684, 20289368]

約数ペア:

[(1, 20289368), (2, 10144684), (4, 5072342), (8, 2536171), (11, 1844488), (22, 922244), (44, 461122), (88, 230561)]