20746792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{839}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21891608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 839, 1124, 1678, 2248, 3091, 3356, 6182, 6712, 9229, 12364, 18458, 24728, 36916, 73832, 235759, 471518, 943036, 1886072, 2593349, 5186698, 10373396, 20746792]

約数ペア:

[(1, 20746792), (2, 10373396), (4, 5186698), (8, 2593349), (11, 1886072), (22, 943036), (44, 471518), (88, 235759), (281, 73832), (562, 36916), (839, 24728), (1124, 18458), (1678, 12364), (2248, 9229), (3091, 6712), (3356, 6182)]