20335810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19840190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 929, 995, 1858, 1990, 2189, 4378, 4645, 9290, 10219, 10945, 20438, 21890, 51095, 102190, 184871, 369742, 924355, 1848710, 2033581, 4067162, 10167905, 20335810]

約数ペア:

[(1, 20335810), (2, 10167905), (5, 4067162), (10, 2033581), (11, 1848710), (22, 924355), (55, 369742), (110, 184871), (199, 102190), (398, 51095), (929, 21890), (995, 20438), (1858, 10945), (1990, 10219), (2189, 9290), (4378, 4645)]