20737288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18127}}^1$

素因数の和:18157

約数の個数: 32

約数和(自身を含む): 45682560

約数和(自身を除く): 24945272

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18127, 36254, 72508, 145016, 199397, 235651, 398794, 471302, 797588, 942604, 1595176, 1885208, 2592161, 5184322, 10368644, 20737288]

約数ペア:

[(1, 20737288), (2, 10368644), (4, 5184322), (8, 2592161), (11, 1885208), (13, 1595176), (22, 942604), (26, 797588), (44, 471302), (52, 398794), (88, 235651), (104, 199397), (143, 145016), (286, 72508), (572, 36254), (1144, 18127)]