20566876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20323}}^1$

素因数の和:20361

約数の個数: 24

約数和(自身を含む): 40973184

約数和(自身を除く): 20406308

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20323, 40646, 81292, 223553, 447106, 467429, 894212, 934858, 1869716, 5141719, 10283438, 20566876]

約数ペア:

[(1, 20566876), (2, 10283438), (4, 5141719), (11, 1869716), (22, 934858), (23, 894212), (44, 467429), (46, 447106), (92, 223553), (253, 81292), (506, 40646), (1012, 20323)]