20542544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116719}}^1$

素因数の和:116738

約数の個数: 20

約数和(自身を含む): 43419840

約数和(自身を除く): 22877296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116719, 233438, 466876, 933752, 1283909, 1867504, 2567818, 5135636, 10271272, 20542544]

約数ペア:

[(1, 20542544), (2, 10271272), (4, 5135636), (8, 2567818), (11, 1867504), (16, 1283909), (22, 933752), (44, 466876), (88, 233438), (176, 116719)]