20377456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115781}}^1$

素因数の和:115800

約数の個数: 20

約数和(自身を含む): 43070904

約数和(自身を除く): 22693448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115781, 231562, 463124, 926248, 1273591, 1852496, 2547182, 5094364, 10188728, 20377456]

約数ペア:

[(1, 20377456), (2, 10188728), (4, 5094364), (8, 2547182), (11, 1852496), (16, 1273591), (22, 926248), (44, 463124), (88, 231562), (176, 115781)]