20504647570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{936713}}^1$

素因数の和:936930

約数の個数: 32

約数和(自身を含む): 40466044800

約数和(自身を除く): 19961397230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890, 936713, 1873426, 4683565, 9367130, 10303843, 20607686, 51519215, 103038430, 186405887, 372811774, 932029435, 1864058870, 2050464757, 4100929514, 10252323785, 20504647570]

約数ペア:

[(1, 20504647570), (2, 10252323785), (5, 4100929514), (10, 2050464757), (11, 1864058870), (22, 932029435), (55, 372811774), (110, 186405887), (199, 103038430), (398, 51519215), (995, 20607686), (1990, 10303843), (2189, 9367130), (4378, 4683565), (10945, 1873426), (21890, 936713)]