20154256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54767}}^1$

素因数の和:54798

約数の個数: 20

約数和(自身を含む): 40747392

約数和(自身を除く): 20593136

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54767, 109534, 219068, 438136, 876272, 1259641, 2519282, 5038564, 10077128, 20154256]

約数ペア:

[(1, 20154256), (2, 10077128), (4, 5038564), (8, 2519282), (16, 1259641), (23, 876272), (46, 438136), (92, 219068), (184, 109534), (368, 54767)]