20498896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116471}}^1$

素因数の和:116490

約数の個数: 20

約数和(自身を含む): 43327584

約数和(自身を除く): 22828688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116471, 232942, 465884, 931768, 1281181, 1863536, 2562362, 5124724, 10249448, 20498896]

約数ペア:

[(1, 20498896), (2, 10249448), (4, 5124724), (8, 2562362), (11, 1863536), (16, 1281181), (22, 931768), (44, 465884), (88, 232942), (176, 116471)]