20544392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1487}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 42318720

約数和(自身を除く): 21774328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1487, 1727, 2974, 3454, 5948, 6908, 11896, 13816, 16357, 32714, 65428, 130856, 233459, 466918, 933836, 1867672, 2568049, 5136098, 10272196, 20544392]

約数ペア:

[(1, 20544392), (2, 10272196), (4, 5136098), (8, 2568049), (11, 1867672), (22, 933836), (44, 466918), (88, 233459), (157, 130856), (314, 65428), (628, 32714), (1256, 16357), (1487, 13816), (1727, 11896), (2974, 6908), (3454, 5948)]