20833310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 41148000

約数和(自身を除く): 20314690

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 199, 290, 361, 398, 551, 722, 995, 1102, 1805, 1990, 2755, 3610, 3781, 5510, 5771, 7562, 10469, 11542, 18905, 20938, 28855, 37810, 52345, 57710, 71839, 104690, 109649, 143678, 219298, 359195, 548245, 718390, 1096490, 2083331, 4166662, 10416655, 20833310]

約数ペア:

[(1, 20833310), (2, 10416655), (5, 4166662), (10, 2083331), (19, 1096490), (29, 718390), (38, 548245), (58, 359195), (95, 219298), (145, 143678), (190, 109649), (199, 104690), (290, 71839), (361, 57710), (398, 52345), (551, 37810), (722, 28855), (995, 20938), (1102, 18905), (1805, 11542), (1990, 10469), (2755, 7562), (3610, 5771), (3781, 5510)]